Connect Tableau with R – Get beauty with power! Dipti M ・ Sep 20 #webdev #programming #productivity #devops  ( 5 min )

Check out this Pen I made!  ( 5 min )

Picture this: August 2008, and Netflix's entire DVD shipping service grinds to a halt for three days. Not hours—days. This wasn't just a technical hiccup; it was a £2.1 million wake-up call that would fundamentally reshape how we think about enterprise software development. What most people don't realise is that this crisis didn't just save Netflix—it created the entire playbook for modern enterprise software architecture that companies worldwide still follow today. The 2008 database corruption incident exposed something that many enterprise software development companies still grapple with: the inherent fragility of monolithic, vertically-scaled systems. Netflix's tightly-coupled application, with its single points of failure and relational database dependencies, created an unacceptable l…  ( 9 min )

Introduction : If you have ever worked with Tauri, you probably already used the tauri::command macro but after a few commands you saw that you needed to write each function manually inside of the invoke_handler, that seemed a bit tedious but acceptable. However the more my project grew personally the harder it became to manage hundreds of commands; writing them, remembering you wrote them, even modifying the name of the function was annoying. After a few weeks I stumbled upon specta, a Rust crate that allowed me to pass on Struct as TS Types, and Functions with their right args, etc... BUT misery struck again and I saw that I had to rewrite all the names functions that I had inside of another invoke_handler, that could have been solved by just copy pasting but I had enough of all this…  ( 9 min )

20th Sep 2k25, Started the day with hitting the gym. started graphs did basics of graphs (types , representation) did bfs and dfs did 2 ques on lc Realized that i shld gradually increase the no. of ques/day target from 1 to 2-3 so that the learning process becomes a bit faster. Also had planned to do some development but ended up taking a long nap in the afternoon so maybe will try to do tmr . Good Night  ( 5 min )

Hello, I'm Maneshwar. I'm working on FreeDevTools online currently building **one place for all dev tools, SVG icons, cheat codes, and TLDRs* — a free, open-source hub where developers can quickly find and use tools without any hassle of searching all over the internet. When you’re building an SVG icon library, one essential feature is the ability to export icons as PNGs. PNGs are still the go-to format for many developers and designers because they’re universally supported and easy to drop into apps, documents, or design tools. Instead of relying on server-side conversion or external graphics editors, we can do this entirely in the browser. Enter Konva.js — a 2D canvas framework that makes rendering, transforming, and exporting graphics simple. In our project, we implemented two handy f…  ( 8 min )

Okay, let's be real for a second. totally professional meme to your coworker on Slack? Yep - that's a network again. But what actually is a network? Let's break it down without turning this into a boring textbook. So… what's a network anyway? The fancy definition goes something like this: "A network is a set of computers that share resources provided by other networking nodes, using communication protocols, through physical cables, optical fiber, or wireless frequencies." That sounds like a lawyer wrote it, right? Let's put it in plain English. A network is basically a group of devices - computers, phones, printers, your smart fridge - all hanging out together. Of course, these devices can't just magically talk to each other. They need to speak a common language. Compu…  ( 8 min )

At my current company, we have a wholesale app designed for tier-2 or tier-3 city Kirana (grocery) stores to purchase goods at wholesale prices. Because this is a B2B integration, there are a lot of offer popups, nudges, notifications, and feedback popups each time a user opens the app. That’s a poor user experience: bombarding the user with multiple things on app startup is not ideal, and doing so all at once is particularly jarring. To illustrate, imagine you’re using a food-delivery app that needs to show several messages: first asking for location permission, then introducing new features, then asking for a rating—all shown at once. That would be annoying. That is where EventBus comes into the picture. EventBus helps widgets that are not directly related or screens that aren’t dependen…  ( 8 min )

A detailed breakdown of my first home server build using TrueNAS Scale, Docker, ZFS, and a suite of self-hosted applications for media, photos, and AI. After months of planning and learning, I finally completed my first home server build, and I wanted to document the entire process and final architecture. My primary goal was to repurpose an old gaming PC into a reliable, multi-functional server for my family's needs, focusing on data ownership and privacy. This post covers the hardware, storage strategy, software stack, and the intricate networking setup. The foundation of this project is my retired gaming rig. It provides more than enough power for my use cases, especially with a dedicated GPU for video transcoding. CPU: Intel i5-7600k Motherboard: Gigabyte GA-B250M-D2V RAM: 32GB DDR4 GPU…  ( 7 min )

When people talk about AI and language models, they rarely mean languages like Khasi or Garo. But for those of us working in Northeast India, that’s exactly where the challenge—and the opportunity—lies. Over the past few months, I’ve been diving deep into how modern LLMs handle tokenization for low-resource languages, especially those with unique orthographic features. Khasi (Austroasiatic) and Garo (Tibeto-Burman) aren’t just linguistically rich—they’re structurally distinct from the Indo-Aryan mainstream. That makes them a fascinating testbed for evaluating how well current models preserve linguistic authenticity. Most open-source LLMs tokenize these languages poorly. Diacritics get corrupted, middle dots turn into hex gibberish, and meaningful units are fractured. Even models with massive vocabularies struggle unless they’ve been trained with orthographic sensitivity. I ran a systematic evaluation across five models—including Gemma, Falcon, LLaMA, and Nemotron—using both efficiency and authenticity metrics. The results were surprising: one model nailed it, most didn’t. If your tokenizer breaks a word like ka·la·ï into meaningless fragments, downstream tasks like translation, speech synthesis, or search will fail. For civic tech, that’s not just a bug—it’s a barrier to access. This isn’t just about benchmarking. It’s about building a reproducible, region-first ecosystem for language tech in Meghalaya. I’ve released the evaluation framework as a public artifact, and I’m working toward open-source models that respect the linguistic integrity of Khasi and Garo. If you’re building LLMs, working on STT/TTS, or deploying civic tech in Northeast India, tokenization isn’t a footnote—it’s foundational. Language tech isn’t just about scale—it’s about respect. And sometimes, the smallest tokens carry the biggest meaning.  ( 6 min )

Release 0.1 of repo-contextr Finally, at the end of week 3, version 0.1 of repo-contextr is out! 🎉 This marks my first real open source project release, and honestly, I'm still amazed by how it all came together. This release represents the foundation of what the tool will look like at full release. When I first set up this project, I had no idea it would evolve the way it has. It's incredible to see how small pieces of work can create something genuinely useful. Although this isn't the end of the project, I can already see a clearer picture of what the final product will become. The tool solves a simple but annoying problem: sharing your entire codebase with AI assistants like ChatGPT or Claude without having to copy-paste files one by one. It scans your entire project, gathers all the…  ( 8 min )

In modern frontend development, maintaining a scalable and consistent UI is a challenge. Storybook is a powerful tool that allows developers to build, test, and document UI components in isolation. Whether you're working with React, Vue, Angular, or other frameworks, Storybook enhances the development workflow by providing a dedicated environment for UI components. This blog will cover: What Storybook is and why it's useful How to set up Storybook in a project Using addons for enhanced functionality Best practices for organizing and writing stories Storybook is an open-source tool for building UI components in isolation. It enables developers to create, test, and document components without needing to run the full application. This makes it easier to work on UI elements independently, ensu…  ( 8 min )

When implementing modals, it’s common to create them individually in many different places. This can lead to repetitive code cluttering the DOM. One good approach would be to use a strategy similar to flash messages: have just one modal element and use the Hotwire ecosystem(Turbo + Stimulus) to dynamically and reactively change its content. I will be assuming you have everything bellow installed and working as intended. Gems: rails +8 , turbo-rails +2.0 , stimulus-rails +1.3 Packages: @hotwired/stimulus +3.2 , @hotwired/turbo-rails +8.0 , bootstrap +5.3 Let's just create a simple modal, with a turbo_frame_tag wrapping your body content with a simple bootstrap close button …  ( 13 min )

Angular 20.3 landed with a critical SSR security fix. Alex Rickabaugh answered your SignalForms questions in a Reddit AMA, and the Angular team wants your feedback on AI use cases. ❓ Reddit AMA: SignalForms with Alex Rickabaugh There was an AMA thread on the official Angular Reddit sub. Alex Rickabaugh, technical lead of the Angular framework, answered questions about the upcoming SignalForms. SignalForms are currently available in the next version (pre-experimental) and are planned to be officially unleashed as experimental in Angular 21 (November this year). Most questions came from users who already tried them out - mainly coding questions. A few highlights: Will debouncing be supported? That’s still in the works. Will there be automatic migration scripts? Here, Alex men…  ( 7 min )

Why Sustainable Tech Matters This is where sustainable technology comes in. Eco-friendly technology concept with sustainable laptop and smartphone on desk with plant. This article is a beginner-friendly deep dive into what sustainable technology really means, why it matters, how companies are applying it, and what you personally can do to make greener digital choices. Defining Sustainable Technology It’s not just about purchasing a single “eco-friendly gadget.” It’s important to consider how the entire lifecycle of technology—from the initial mining of raw materials all the way through to the recycling and disposal processes—is carefully managed and optimized for sustainability. Principles of Sustainable Tech Why Sustainable Technology Matters The E-Waste Crisis 53.6 million tons of e-wast…  ( 9 min )

Hiring processes and job interviews can be unpredictable, and not always in a good way. Over the years, I've experienced my fair share of what I like to call "interview horror stories." Real situations that were awkward, frustrating, or downright unprofessional. This article is a collection of some of those stories, and some of the lessons I learned the hard way. Your Profile Doesn't Match the Role Once upon a time, early in my professional career, I applied for a job in a different city. The process moved forward, and the company invited me for an in-person interview. I drove two hours to get there, got lost along the way, eventually found my way and, with the nerves of barely making it on time, I walked into the office. I was shown to a room and told to wait for the interviewer: the team…  ( 10 min )

TL;DR Game Theory’s latest video has MatPat teaming up with SortedFood to recreate Minecraft’s mysterious Suspicious Stew in real life. They experiment with different mushrooms to trigger each in-game effect and then brave a taste test that’s as wild and unpredictable as the pixelated original. Along the way you get a sneak peek at Theorywear merch, a rundown of all the creative credits, and proof that some virtual foods are better left in the game. Watch on YouTube  ( 6 min )

LEGO Batman: Legacy of the Dark Knight Behind-the-Scenes DC and Warner Bros. Games dropped a playful featurette for Batman Day 2025, showing off fresh LEGO Batman: Legacy of the Dark Knight gameplay. You’ll hear from the big names—James Gunn, Jim Lee, Jonathan Smith and Jesper C. Nielsen—chatting about how they mashed up 86 years of Batman lore (movies, TV, comics and past games) with TT Games’ signature brick-built humor. Expect inside scoops on character design, world-building and how this new interactive adventure honors Gotham’s Caped Crusader in true LEGO style. It’s a love letter to Batman fans everywhere, served with plenty of brick-smashing laughs. Watch on YouTube  ( 6 min )

LEGO Batman: Legacy of the Dark Knight Behind-the-Scenes Clip TT Games and Warner Bros. just dropped a fun “Batman Day 2025” featurette for their upcoming action-adventure LEGO title, Legacy of the Dark Knight. In this behind-the-scenes peek, you’ll hear from DC Studios bigwigs like James Gunn and Jim Lee, plus TT Games’ Head of Development Jonathan Smith, as they chat about bringing Gotham’s Dark Knight back into the brick world. As they celebrate Batman’s 86-year legacy across comics, movies and games, fans get a taste of what’s to come. LEGO Batman: Legacy of the Dark Knight is set to launch in 2026 on PS5, Xbox Series X|S, Nintendo Switch 2, and PC (Steam & Epic Games Store). Watch on YouTube  ( 6 min )

Modulax Infra Walkthrough for Developers Modulax is a quantum-ready, EVM-compatible blockchain designed to meet the long-term needs of developers building in a rapidly evolving cryptographic landscape. This walkthrough breaks down Modulax’s live infrastructure, explains how its components integrate cleanly into the Ethereum tooling ecosystem, and demonstrates how you can build and run your own modules using the same principles. We’ll go deep into: Raw EVM RPC output Block explorer (Blockscout) setup Wallet and token detection (Zerion) Node architecture and modular stack Deployment tests Contributor entrypoints Modulax exposes a clean RPC layer compatible with all Ethereum clients. This includes: eth_* and net_* endpoints Valid chainId, gasPrice, blockNumber Canonical transaction receip…  ( 7 min )

A Developer's Honest Take on Why the Current System Fails Real Innovation I started my AI-SymDev journey in early 2025, and because I'm apparently incapable of starting small, I dove straight into building a massive knitting and crochet design assistant software with 25+ features and custom ML backend. While working on this behemoth, I decided to extract one feature—a yarn pricing calculator—and turn it into my first Android app to test the waters of mobile development. The development part? Straightforward. Converting my Java-React code to Kotlin, polishing the UI, and creating a production-ready app took about a week and a half. The result was YarnCraft: an elegant tool for yarn crafters with three languages, API integration with major yarn retailers, statistics tracking, and features …  ( 8 min )

Real-time quotes fail in the wild. We designed a tiny edge-cached fallback layer so P/L stays fresh. Free APIs rate-limit or go down. Users see zeros. Bad. Client: requests /prices with a compact symbol list Edge function: tries Provider A → B → C with timeouts Envelope: we always return {price, ts, source, fallbackUsed} Cache: hot-ticker TTL on the edge; cold paths bypass DX: dev overlay shows which source resolved ts type Quote = { s: string; p: number; ts: number; src: string; fb?: boolean } ## Trade-offs **Slightly higher p99 latency, vastly better success rate** **Deterministic error surfaces → easier bug reports** ## Help wanted (good first issues) **Add provider health telemetry** **Better batching for thin symbols** **Unit tests for error envelopes** ## Repo → https://github.com/PocketPortfolio/Financialprofilenetwork ## Discord → link on the site (Office Hours: Wednesdays) What would you improve in this design? PRs welcome.  ( 6 min )

Are you a data science enthusiast, a seasoned practitioner, or just starting your journey into this exciting field? 🤔 How are you learning? Paid courses? Bootcamps? 📚 Why not kickstart your learning with some of the best free data science resources available online? 🆓 GitHub is a treasure trove for open-source projects, learning resources, and curated data science repositories that can significantly boost your skills. Here are my top 5 GitHub repositories that will help you master data science, from foundational concepts to hands-on projects. 💻 Remember, it's more important how much you code than how many repositories you know. The key is to apply what you learn! Presenting a fantastic web-based guide for data science learners. / Virgilio Virgilio Data Science…  ( 10 min )

So here's the thing, I had this Rails app where images were taking forever to load. Users were bouncing, my AWS bill was getting expensive, and I was serving the same dog photos from S3 over and over again to users all around the world. After some research, I discovered that putting Cloudflare in front of my S3 bucket was basically free performance magic. Here's exactly how I did it, including the gotchas I ran into. Before I get into the how-to, let me quickly explain why this setup is so effective: When you serve images directly from S3, every single request hits your bucket. A user in Tokyo requesting an image from your US-East bucket? That's a long round trip. A user refreshing the page? Another S3 request and another charge on your AWS bill. With Cloudflare in front, images get cached…  ( 9 min )

Madhu Sudhan Subedi Tech Weekly Can Discord Decide a Nation’s Future? Nepal’s Gen Z Thinks So What happens when a country’s youth lose faith in traditional politics? In Nepal, tens of thousands of Gen Z protesters turned to Discord—a chat app mostly known for gaming—to pick their interim prime minister after deadly unrest forced the old government out. Instead of closed-door deals, the selection happened in a public, virtual debate with over 50,000 participants nominating and grilling candidates live. The outcome: a respected anti-corruption judge, former Supreme Court Chief Justice Sushila Karki, was chosen and sworn in. Link Apple Rebrands iOS and macOS, Syncs All OS Versions to ‘26’ Why did Apple suddenly leap from iOS 19 to iOS 26? At WWDC 2025, Apple announced a ma…  ( 8 min )

Can a tiny quantum circuit learn the survival tricks of a tiny worm? In this project I set out to model the foraging behavior of Caenorhabditis elegans — a 1 mm nematode with a famously compact nervous system — using reinforcement learning (RL). I built two agents that learn chemotaxis (moving up a chemical gradient toward food) in a simple grid-world: one with a classical neural policy, and one with a parameterized quantum circuit (PQC) acting as the "brain." I ran many independent sessions for both agents; the representative results shown below were typical across runs. I also validated the quantum path end-to-end with short hardware tests (with and without error suppression) to ensure the pipeline works, but all conclusions here come from a quantum circuit simulator. As circuits grow …  ( 11 min )

Implementing Principal Component Analysis (PCA) in R Dipti M ・ Sep 18 #webdev #programming #ai #beginners  ( 5 min )

As a seasoned database architect, I've witnessed firsthand the transformative power of PostgreSQL. It's not just a database; it's a robust, open-source ecosystem that underpins countless critical applications. For anyone serious about data, mastering PostgreSQL is no longer optional—it's essential. This learning path is meticulously crafted for beginners, offering a structured, hands-on journey into the heart of this powerful relational database system. Forget passive video tutorials; here, you'll dive deep into practical, real-world scenarios within a dedicated SQL playground, building tangible skills in database management and querying that will set you apart. Difficulty: Beginner | Time: 20 minutes In this lab, you will enhance your PostgreSQL query writing skills by exploring advanced…  ( 7 min )

Tired of spreadsheets for tracking stocks/crypto/FX? In 5 minutes you can import a CSV and see clean P/L with live prices. 👉 App: https://www.pocketportfolio.app/ Sign in (optional). Guest mode works too. We ship samples so you can try it safely: eToro.csv Coinbase.csv Generic.csv (If your broker differs, drop a redacted sample in our Discord — we’ll add a mapping fast.) Menu → Import CSV → drop the file You’ll get positions, live quotes (equity/FX/crypto), and a clean breakdown Mock trades are also supported (kept separate from real P/L) Row-level errors? Download the error report (CSV). Live prices failed? Our fallbacks kick in; ping us with the symbol. We’re building a community-led, no-paywall tracker that turns noise into clear, actionable insight. Try it now → https://www.pocketportfolio.app/ Contribute → https://github.com/PocketPortfolio/Financialprofilenetwork Join Discord → link on the website (#general) What broker/format should we support next?  ( 6 min )

Note: ✋ This post was originally published on my blog wiki-cloud.co Introduction In today’s technology landscape, flexibility and performance have become essential. Companies no longer operate in a single environment; they combine the cloud, their own data centers (on-premises), and hybrid architectures that leverage the best of both worlds. In this context, Google Cloud introduces AlloyDB Omni to solve precisely this challenge, with a proposal that extends the power of its next-generation database beyond the limits of its own cloud. AlloyDB Omni is Google Cloud’s self-managed version of AlloyDB and represents a significant evolution in the PostgreSQL ecosystem, combining the flexibility and performance of the PostgreSQL database, allowing organizations to leverage AlloyDB’s advanced fea…  ( 8 min )

I wanted to explore how AWS services can be combined into a simple data pipeline that not only processes customer churn data, but also highlights the kind of insights companies rely on to drive retention and revenue growth. For this project, I used the Telco Customer Churn dataset from Kaggle. The goal was to take raw CSV data, process it into a query-optimized format, and power dashboards that surface churn KPIs. Here’s the high-level design: Amazon S3 — Stores raw Kaggle CSV input and processed Parquet output. AWS Glue — Crawler to catalog schemas + ETL job to convert CSV into Parquet and partition the data. Amazon Athena — Runs SQL queries and views over the processed data. Amazon QuickSight — Dashboards to visualize churn KPIs like churn %, revenue loss, and segmentation. Amaz…  ( 7 min )

📘 Page 1 — Introduction to Cold and Hot Deployment What you will learn: Difference between Cold and Hot deployment How deployments differ in traditional monolithic apps vs microservices Practical, step-by-step commands 🔹 Key Concepts Cold Deployment → Stop application → Deploy → Start application. Users experience downtime. Hot Deployment → Deploy without stopping the service. Minimal or zero downtime. Notes: Cold deployments are common in legacy systems. Hot deployments are standard in modern CI/CD pipelines. Understanding downtime, rollback, and risk is crucial for production environments. 📘 Page 2 — Cold Deployment in Traditional Web Applications Scenario: Deploying a WAR file to Tomcat Steps: 1.Stop Tomcat server: sudo systemctl stop tomcat 2.Replace old WAR file: cp /tmp/app.war /o…  ( 9 min )

👋 Hey there, tech enthusiasts! I'm Sarvar, a Cloud Architect with a passion for transforming complex technological challenges into elegant solutions. With extensive experience spanning Cloud Operations (AWS & Azure), Data Operations, Analytics, DevOps, and Generative AI, I've had the privilege of architecting solutions for global enterprises that drive real business impact. Through this article series, I'm excited to share practical insights, best practices, and hands-on experiences from my journey in the tech world. Whether you're a seasoned professional or just starting out, I aim to break down complex concepts into digestible pieces that you can apply in your projects. Let's dive in and explore the fascinating world of cloud technology together! 🚀 Managing CloudTrail logs in a multi-…  ( 17 min )

Introduction Nushell (nu) is a modern shell that treats data as structured information rather than plain text. It brings spreadsheet-like data manipulation to the command line with built-in support for JSON, CSV, YAML, and other formats. # macOS with Homebrew brew install nushell # Windows with Winget winget install nushell # Linux with Snap snap install nushell # Cargo (Rust package manager) cargo install nu Download pre-built binaries from GitHub releases. Unlike traditional shells that work with text streams, Nushell works with structured data: Everything is a table or structured data Pipelines pass structured data between commands Built-in understanding of common data formats nu This would be a basic commands, that all seasond developers are know, but the way that shell treats i…  ( 10 min )

The event loop lets JavaScript handle async tasks on a single thread. console.log("Start"); setTimeout(() => { console.log("Timeout"); }, 0); Promise.resolve().then(() => { console.log("Promise"); }); console.log("End"); Output: Start → End → Promise → Timeout Start and End are synchronous → run immediately on the call stack. Promise.then is a microtask → runs before macrotasks. setTimeout callback is a macrotask → runs after microtasks drain. Originally published on: Bitlyst  ( 6 min )

After years of learning (and making mistakes), I put together 10 practical pieces of advice that helped me grow as an engineer — and that can help juniors navigate today’s tough tech landscape. From reading the right books, contributing to open source, and learning to love testing, to building your personal brand and embracing AI as just another tool — this list is a roadmap for continuous growth. Check out the full article here: https://medium.com/@juanmabareamartinez/a81bf504759d Whether you’re just starting out or already experienced, I’d love to hear: what’s the best piece of advice you’ve received in your career?  ( 6 min )

A Quick Backstory That realization became the seed for Passifier. I didn’t just want to measure password strength; I wanted to reveal hidden weaknesses and spark a conversation about how we approach security in our daily lives. That frustration led me to create Passifier Passifier is designed for: Cybersecurity professionals who want to test policies Penetration testers who need quick password audits Trainers & educators spreading password awareness It doesn’t just check whether a password looks strong. It goes deeper, analyzing the true entropy, character diversity, and vulnerability patterns behind every password. When I was building Passifier, I wanted it to be simple but powerful. Here’s what it can do: Dual Entropy Methods → Calculates both mathematical entropy and Shannon entropy fo…  ( 7 min )

If you're new to C# and especially desktop development, here's how easy it is to get started on a modern Windows 10/11 PC. This way of creating a Hello World C# program doesn't involve installation of any heavy IDE like Visual Studio or the .NET 8/9 SDK. In fact, most recent Windows versions already come with .NET Framework 4.x preinstalled, including the classic C# compiler at a location like this: C:\Windows\Microsoft.NET\Framework\v4.0.30319 The exact folder may differ depending on your system but it usually contains csc.exe, the built-in compiler that can compile simple console or desktop apps. You can add this folder to your PATH environment variable (temporarily or permanently) so that csc is available from the command line: set PATH=C:\Windows\Microsoft.NET\Framework\v4.0.30319;%PA…  ( 7 min )

Life Cycle React of functional Programming* Just we talk about types of component generally in react .so We have:- Functional Component -> a simple components hooks or state Class Component -> using this.state and components A Lifecycle of functional programming in react - Each component in react have lifecycle in three phases are mounting ,updating,unmounting. Mounting Phase useState -> it is a initial component state useEffect->it call the function and empty array dependency for class Components-> componentDidMount import {useState ,useEffect} from 'react const App =()=>{ const [val , setval]=useState(0) useEffect(()=>{ console.log(val) },[]) return( updated value ----- {val} setval(val+1)}>Increase ) }…  ( 7 min )

💡 The Hidden Power of TinyGo: Run Go on Microcontrollers Faster Than C? Here's the Shocking Truth! In the world of embedded systems, two things always reign supreme: performance and memory efficiency. The common perception has always been to write low-level embedded code in C or even Assembly. But what if I told you that you could write embedded software in Go and compile it down to a tiny, lightning-fast binary that runs on microcontrollers with less than 256KB of Flash and 64KB of RAM? Welcome to TinyGo. TinyGo is a compiler for the Go programming language, designed to target resource-constrained systems like microcontrollers, WebAssembly (WASM), and even command-line tools with an absolutely minimal footprint. Sounds crazy? In this deep-dive post, we’re going to: Demystify TinyGo and…  ( 9 min )

In Ghostty, you can configure key combinations to send arbitrary control characters. By using this feature, you can reproduce the familiar macOS behavior of deleting entire words with Option+Backspace in the terminal. Ghostty versions prior to v1.2.0 seemed to support “Option+Backspace word deletion” without any additional configuration, but I suspect the behavior changed due to PR #7320 🤔 For example, add the following to your config file: # ~/.config/ghostty/config keybind = option+backspace=text:\x1b\x7f Now, pressing Option+Backspace will delete the previous word in shell line editing. (\x1b\x7f corresponds to Meta-Backspace, which is equivalent to readline’s backward-kill-word.) unix-word-rubout) There is also a similar configuration: # ~/.config/ghostty/config keybind = option+backspace=text:\x17 This sends Ctrl-W, triggering unix-word-rubout, which deletes text in units separated by whitespace. On the other hand, \x1b\x7f also treats symbols and slashes as separators, making it convenient when editing paths or words containing hyphens.  ( 6 min )

Edge computing represents a fundamental shift in how we process and analyze data in our increasingly connected world. By bringing computation and data storage closer to the sources where data is generated, edge computing addresses the critical challenges of latency, bandwidth limitations, and real-time processing requirements that traditional cloud-centric architectures struggle to meet. In this comprehensive guide, we'll explore every aspect of edge computing - from its core architecture and components to real-world implementations across industries, security considerations, market trends, and future prospects. Whether you're a technical professional evaluating edge solutions or an enterprise leader seeking to understand the strategic implications, this guide provides the deep insights ne…  ( 15 min )

Check out this Pen I made!  ( 5 min )

Si vous voudriez lire la version anglaise, veuillez clicker sur ce lien: version anglaise Le BIM crée des modèles 3D numériques détaillés de bâtiments. Ajoutez l'intelligence artificielle, et ces modèles deviennent intelligents analysant les données, repérant les problèmes et suggérant des améliorations plus rapidement que jamais. Le marché est d'accord : l'IA dans la construction se dirige vers 12,1 milliards de dollars d'ici 2030, avec 76% des entreprises de construction prévoyant des investissements majeurs en IA dans les trois prochaines années. Les premiers adoptants voient déjà des résultats : achèvement de projets 25% plus rapide, 20% de déchets matériaux en moins, et moins de surprises coûteuses. Mais des défis persistent, des problèmes de compatibilité des données aux lacunes de c…  ( 12 min )

When building AI chat applications, one of the main challenges is controlling costs. Each AI request has a cost, so you cannot allow unlimited usage. A rate limiter helps solve this by restricting how many requests each user can make in a fixed time period. In this article, we will look at how to build a chatbot backend using Node.js, Express, and the Vercel AI SDK. Our system uses a fixed window rate limiting algorithm to manage usage for different user types: Guest, Free, and Premium. Rate limiting ensures: Fair usage for all users Protection from abuse Cost control for AI services Predictable system performance For example, if a Guest makes 1,000 requests per hour, your costs can skyrocket. With a limiter, you decide how many requests are allowed. User Type Limit (per hour) Notes …  ( 7 min )

A night at Bethpage Black isn’t your average tee time prep—it’s a full-blown camping expedition in the parking lot, complete with tents, sleeping bags and diehard golfers staking their claim on one of the toughest public courses in the world. This video follows those “overnighters” from dusk-til-dawn rituals right up to the mad morning dash for prime tee slots. With the Ryder Cup rolling into Bethpage in 2025, the tradition has never felt more epic. It’s a front-row seat to golf obsession, and a reminder that for some, scoring a round on Black is worth any extra mile (or sleepless night). Watch on YouTube  ( 6 min )

Top 100 Best 2D JavaScript Game Engines in 2025 The JavaScript game development ecosystem has exploded with incredible engines and frameworks. Here's the most comprehensive list of 2D JavaScript game engines available today, categorized by their primary use cases and strengths. Phaser - The most popular HTML5 game framework PixiJS - Ultra-fast 2D rendering engine Three.js (2D capabilities) - While primarily 3D, has strong 2D features Babylon.js (2D capabilities) - Another 3D engine with 2D support ImpactJS - Commercial-grade HTML5 game engine MelonJS - Open-source lightweight HTML5 game engine PlayCanvas (2D mode) - WebGL-powered game engine Cocos2d-x (JavaScript version) - Port of popular mobile game engine CreateJS - Suite of libraries for rich interactive content Kiwi.js - Open-sourc…  ( 10 min )

If you would like to read the French version, please click here : French Version Construction sites are getting smarter. Imagine buildings designing themselves, predicting their own issues, and optimizing energy use automatically. This is Building Information Modeling (BIM) in action with a surdose of AI. BIM creates detailed 3D digital models of buildings. Add artificial intelligence, and these models become intelligent analyzing data, spotting issues, and suggesting improvements faster than ever. The market agrees: AI in construction is racing toward $12.1 billion by 2030, with 76% of construction companies planning major AI investments in the next three years. Early adopters are already seeing results: 25% faster project completion, 20% less material waste, and fewer costly surprises. B…  ( 10 min )

Ever spent hours writing nested loops to solve simple array or string problems, only to feel it’s slow and messy? The Two Pointer Technique is a game-changer. It’s a powerful strategy to traverse arrays, lists, or strings efficiently using two markers (pointers), reducing time complexity and improving code readability. By the end of this post, you’ll know: What the Two Pointer Technique is How it works step by step Real-world examples in Java Common pitfalls to avoid Practice challenges to master it 🌱 What Is the Two Pointer Technique? The Two Pointer Technique uses two indices to iterate over data structures: Opposite ends: One pointer at the start, one at the end Same start: Slow and fast pointers moving at different speeds ✅ Ideal for sorted arrays, strings, and problems that require c…  ( 7 min )

Mastering Collections in C# Sukhpinder Singh for C# Programming ・ Sep 20 #csharp #dotnet #programming #beginners  ( 5 min )

Let’s assume imaginary web-framework called Lattice — a from-scratch, full-stack system that treats your app as a live, distributed dataflow rather than a pile of routes, controllers, and glue (MVC is fucking old). Think “reactive graph of capabilities” that runs on servers, at the edge, and in the browser with the same mental model. No sacred cows, just steak. 🥩 Full Article: How a Web-Framework Really Should be Today  ( 6 min )

If you’ve worked on a TypeScript project of any size, you’ve probably found yourself tangled in a web of relative import hell: import { UserService } from '../../../services/user'; It’s not just ugly — it’s hard to manage, especially when the project grows. Luckily, TypeScript Path Aliases come to the rescue. And even better, the ts-path-alias-fixer npm package can help you automatically migrate your entire codebase from relative imports to clean, manageable alias paths. In this post, we’ll break down: What path aliases are How to set them up in TypeScript How to use ts-path-alias-fixer to refactor existing code Path aliases let you define custom names for directories in your project. So instead of this: import { ProductService } from '../../../../core/services/ProductService'; You can d…  ( 10 min )

I am new to the dev community, I was just surfing the App Store and came across it. It seems like an awesome community/app so far.. I hope to meet some new friends here and contribute as much as possible. I hope you all have a great day!  ( 5 min )

TL;DR We’ll build a CRUD REST API for a Client resource with Node.js + Express + Mongoose. You’ll get: Input validation & unique email checks Pagination + lean reads for speed Centralized error handling with consistent JSON Basic security (Helmet, CORS, rate limiting) Ready-to-deploy structure with .env, health check, and graceful shutdown Repo structure is single-file for clarity, but production-ready concepts. Node 18+ (or 20+) MongoDB running locally or in the cloud (Atlas) Basic terminal & REST knowledge mkdir secure-crud-api && cd secure-crud-api npm init -y npm i express mongoose dotenv helmet cors morgan express-rate-limit npm i -D nodemon package.json scripts: { "scripts": { "dev": "nodemon server.js", "start": "node server.js" } } .env (create it in the project…  ( 9 min )

Table of Contents Chapter 1: Why Collections Matter in C# (Beyond Arrays) Chapter 2: Lists: Your Go-To Dynamic Collection Chapter 3: Dictionaries: Key-Value Powerhouses Chapter 4: Queues: First In, First Out Processing Chapter 5: Stacks: Last In, First Out Operations Chapter 6: HashSet & SortedSet: Unique Collections Chapter 7: LinkedList: When Order and Insertion Matter Chapter 8: ObservableCollection & Modern .NET Collections Chapter 9: LINQ with Collections: Querying Made Easy Chapter 10: Best Practices, Performance, and Real-World Use Cases Picture this: you're building a social media feed that needs to handle thousands of posts, a gaming leaderboard that constantly updates, or a fintech application processing real-time transactions. Arrays might seem like the obvious choice…  ( 73 min )

Introduction: Why Stories Shape the Way We Invest If you’ve been in the markets long enough, you know spreadsheets can’t capture everything. The real lessons don’t always come from ratios, charts, or analyst reports—they come from the bruises you take along the way. I’ve often joked that my best financial teacher wasn’t a textbook; it was the market itself, dragging me through failures, small victories, and the occasional gut-punch. That’s why I believe in your topics multiple stories—not just isolated anecdotes, but the weaving together of experiences, missteps, and wins that reveal something deeper about how money really works in our lives. You and I don’t live in neat bullet points; we live in narratives. And when it comes to investing, it’s those narratives that often determine wheth…  ( 9 min )

When I work with stakeholders, one thing they often tell me I’m good at is taking a one-liner and turning it into a design that works — reliably, at scale, with availability in mind. Here’s my secret sauce: not just “well-thought of technically design” but data modeling. The goal isn’t to create the perfect schema on the first try — it’s to iterate fast, improve with every pass, and land on the most robust, efficient design possible within the time you have. Here’s the checklist I use to go from 0 → 1: 🔹 Identify entities (what you track) 🔹 Draw entities, attributes, relationships 🔹 Normalize (1NF → 3NF, stop if perf suffers) 🔹 Plan for growth & access patterns 🔹 Use meaningful names & precise data types 🔹 Avoid N+1 queries (use eager loading wisely) 🔹 Profile queries regularly 🔹 Model your favorite app’s DB for practice That's all, following these seven steps will insure your data-model will drive the speed of development not hinder it.  ( 7 min )

Permutations & Combinations in Python 🔢 Today I explored how Python handles arrangements & selections with ease. 🔹 Key Concepts: 🔹 Python Practice: import itertools print(list(itertools.permutations([1,2,3], 2))) print(list(itertools.combinations([1,2,3], 2))) ⚡ Fun Fact: Permutations & combinations are widely used in probability, cryptography, and even lottery systems 🎲 Python #Maths #100DaysOfCode #ProblemSolving #CodingJourney  ( 6 min )

(Първо публикувано на May 26, 2024) Забелязвам, че когато се занимаваш с програмиране, развиваш един навик, който като цяло е добър, но може и да ти навреди, ако не внимаваш: това е навикът да задълбаваш ДОСТА в различни проблеми, за да намериш решение за тях. 😅 Най-простият пример: работиш по някаква задача, получаваш някакво съобщение за грешка и почваш да ровиш в нета, за да разбереш как да го отстраниш. В най-добрия случай бързо намираш решение и продължаваш напред, но понякога откриваш, че проблемът е по-сложен от очакваното и не можеш да го разрешиш толкова лесно. Продължаваш да търсиш и откриваш, че всъщност причината за появилото се съобщение е някаква си друга грешка, която пък е породена от еди-какво си… и така навлизаш все по-дълбоко в “заешката дупка” и накрая или намираш реше…  ( 7 min )

When building modern web applications, managing data on the client side is critical for enhancing performance, enabling offline functionality, and delivering a seamless user experience. Whether you're storing user preferences, caching API responses, or maintaining login sessions, client-side storage provides a range of options to meet different needs. This article explores the primary types of client-side storage available in browsers, complete with examples, use cases, and limitations to help you choose the right tool for your web application. Introduction to Client-Side Storage What Are Cookies? (typically less than 4KB) stored by the browser. They are commonly used for session tracking, authentication, and storing small bits of user information. Cookies are sent with every HTTP request …  ( 10 min )

Performance is often treated as an afterthought, something you fix once the site is live. But in reality, the way you build a WordPress site from the beginning determines how light (or heavy) it will be. A lightweight site is faster to load, easier to maintain, and more resilient as it grows. Here are some habits I apply when building to keep WordPress projects lean and efficient. The quickest way to slow down a site is by installing dozens of plugins. Each one adds scripts, styles, and potential conflicts. Stick to a small, trusted stack. Learn those tools deeply instead of scattering across many addons. Also: avoid multipurpose themes stuffed with features you’ll never use. A clean, well-coded theme plus Elementor + JetEngine covers most cases without extra weight. Images are ofte…  ( 7 min )

Sonic Racing: CrossWorlds – Super Sonic & Hatsune Miku Highlights Sonic Racing: CrossWorlds tears up the track on PS5 with Super Sonic blazing through Radical Highway and Hatsune Miku bringing her own flair at Kraken Bay. IGN raves that the game “fires on all cylinders” thanks to its stellar roster, killer courses, and deep customization—Gotta go fast! Jump straight into the action with timestamps: 00:00 Super Sonic’s Radical Highway speed run 03:13 Super Sonic Victory 03:27 Radical Highway Race 06:46 Hatsune Miku in Kraken Bay 09:57 Miku’s Max Rivalry showdown Check out the full review for all the details! Watch on YouTube  ( 6 min )

Nintendo Switch 2’s First 100 Days Report Card Nintendo’s follow-up handheld has blitzed past all previous records, becoming the fastest-selling console in company history. With solid third-party backing and a lineup of big-name first-party titles on the horizon, the Switch 2 looks primed to dominate the holiday season. That said, not everything’s sunshine and rainbows: steep game prices (Mario Kart World at $80, anyone?) have fans squawking, and looming U.S. tariffs could throw a wrench in those red-hot sales figures. Meanwhile, IGN.com has last week’s poll results up, plus a fresh new poll ready for your vote! Watch on YouTube  ( 6 min )

Hollow Knight: Silksong – Surviving Bilewater Silksong’s Bilewater is one nasty swamp, but timing is everything: swing by Shakra as soon as you arrive to buy the Bilewater map, then loc­ate the Bellway entrance to save yourself a world of frustration. You’ll want to come equipped with the right Charms and tools (think healing boosts and mobility upgrades) before diving deeper. Don’t miss the hidden bench tucked away near the eastern pools—your new favorite respawn point—and memorize the shortcuts for the ultimate speed-run back to Groal’s boss arena when things inevitably go sideways. Trust us, that run back is a lifesaver. Watch on YouTube  ( 6 min )

Is Switch 2 off to a sizzling start? Early signs look promising: Nintendo’s first wave of exclusives is turning heads, showcasing the system’s power and versatility. Fans are already buzzing about fresh takes on classic franchises and entirely new IPs that feel right at home on the upgraded hardware. Price vs. value seems to be Nintendo’s secret sauce. By hitting a sweet spot between affordability and premium features, they’ve set the stage for a strong 2025 lineup. If this launch strategy holds, the Switch 2 might just be the must-have console for both longtime devotees and newcomers alike. Watch on YouTube  ( 6 min )

Here’s something wild: some of my best clients live in cities I’ve never set foot in. Ten years ago, that would’ve felt impossible. Back then, most people I worked with were local. We’d grab coffee, talk shop, shake hands. That was just how you did business. But now? My digital portfolio does the handshaking for me. I’ll never forget this. A founder from Berlin reached out after reading a case study on my portfolio. We hopped on Zoom, and a week later I had my first European client. The best part? I never pitched them. They found me, they saw my work, and they came ready to hire. That’s when I realized: a portfolio isn’t just a website—it’s your global business card. Your portfolio works while you sleep. Someone in Tokyo could be scrolling through your work while you’re having breakfast in…  ( 7 min )

Hello! I'd love to share the story of my journey building an 'AI Journaling Assistant.' This article is the first chapter: a story about my initial battle with a chaotic, looping agent and how observability tools helped me win. But first, let me explain the motivation behind this project. One of the things I love most is reflection. I have countless journals in different formats—quick notes on my phone, handwritten pages, video diaries, and chats with LLMs. They're a rich history of my thoughts, but they're scattered everywhere. My goal was to unite them, to build a single, private space where I could analyze my own thoughts and memories. Also I thought it was the perfect opportunity to work on a project that combines two of my greatest passions: journaling and data science. To begin, I ne…  ( 8 min )

If you’re still installing dependencies with Npm or Yarn, you might be donating minutes and gigabytes you’ll never get back. I switched one noisy repo to Pnpm (pnpm) and my laptop fan basically retired on the spot. It speeds up installs and skips duplicating the same packages across projects, without making you relearn your whole workflow. Speed that scales: Often clearly faster on fresh installs and in CI, and the gap widens as repos grow. Huge disk savings: Instead of duplicating the same library in every node_modules, pnpm reuses a single copy across projects. Fewer surprises: A stricter, more accurate dependency layout helps prevent “it works on my machine” mysteries. Great for monorepos: First-class workspace support keeps multi-package projects tidy and consistent. According to the o…  ( 9 min )

Cloud computing—the delivery of services like storage, processing power, and software over the internet—has become the foundation of modern business and technology. As of September 20, 2025, the industry is thriving, with global spending projected to surpass $700 billion this year, driven by the demands of artificial intelligence and hybrid work environments. The latest innovations are making cloud systems smarter, greener, and more secure, though challenges such as cost control and skills shortages remain. This article explores the newest trends and breakthroughs shaping the cloud landscape, drawing on recent updates from leaders like AWS, Azure, and Google Cloud. Artificial Intelligence has moved beyond being a standalone feature and is now deeply embedded in cloud services. This integra…  ( 10 min )

Introducing AlgoRise, a full-stack web app built with Next.js, TypeScript, and Supabase, designed to help programmers track and improve their skills in algorithms and competitive programming. Whether you're a beginner or an experienced developer, AlgoRise offers a platform to learn, participate in contests, and challenge yourself. 🔧 Tech Stack & Features: ⚡ Next.js + TypeScript for a fast, type-safe frontend 🗄️ Supabase for authentication, database, and real-time updates 📊 Track progress & performance with integrated leaderboards 🏆 College & online contests to compete and improve 🌱 Beginner-friendly issues labeled for Hacktoberfest contributors 🛠️ Ways to Contribute: Implement new features or enhance existing ones Fix bugs and optimize performance Help improve UI/UX for a smoother experience Add Supabase/Next.js integrations or improve TypeScript types 🔗 Get Started: Fork the repo: https://github.com/Hackeries/AlgoRise Clone locally and install dependencies Pick issues Submit a pull request and contribute to open source! 📢 Join us in making AlgoRise better this Hacktoberfest! Contribute, learn, and showcase your skills while helping others grow in the open-source community. Hacktoberfest2025 #OpenSource #NextJS #TypeScript #Supabase #WebDevelopment #React #BeginnerFriendly #AlgoRise  ( 6 min )

The excitement around HackSpire’25 continues to grow — and this time, we brought the spirit of the hackathon right to our college with an offline awareness session! 🎉 It was an incredible experience to connect with students face-to-face, share insights about the upcoming hackathon, and spark curiosity about how HackSpire is more than just a competition. The offline session gave us the chance to interact closely, answer questions, and showcase the opportunities HackSpire’25 brings — from AI, Web, and Blockchain tracks to Open Innovation challenges. 🚀 The energy in the room was electric ⚡ as students learned about: What HackSpire’25 is all about — a 25-hour journey of building, learning, and collaborating. Opportunities for growth — mentorship, networking, hands-on building, and of course, amazing swags & prizes. Why this hackathon is unique — student-led, free to register, and designed to inspire bold ideas. Hosting this offline session wasn’t just about sharing information — it was about building a community of innovators who are ready to take on challenges and create real impact. Seeing so many enthusiastic faces motivated us to continue spreading the word and making HackSpire’25 a landmark event. This is just the beginning. More sessions, more energy, and more innovation are on the way. 🎯 A huge thank you to everyone who joined the session and to @acmfiem for supporting this movement. Together, we’re igniting the spark that will light up HackSpire’25. 🔥 HackSpire25 #acmfiem @acmfiem  ( 6 min )

As of September 20, 2025, the world is racing toward a cleaner energy future, with renewable sources like bioenergy and solar leading the charge. Global investments in renewables, grids, storage, and efficiency are surging, expected to hit record highs this year. These technologies are not just about cutting carbon—they are making energy cheaper, more reliable, and more accessible. From turning waste into fuel to panels that capture sunlight like never before, innovations are transforming how we produce and conserve power. This article highlights the latest developments, explained in clear terms. Bioenergy uses organic materials such as plants, food scraps, and wood waste to generate fuels, heat, and electricity. It plays a vital role in the renewable transition by leveraging existing reso…  ( 14 min )

List comprehensions are one of the most popular features in Python, and it allows us to write idiomatic (or Pythonic) code. But, as the student discovered, although the end result may be the same in the above example, the process it took to arrive at the solution is very different. In fact, in Python 3.12, the process used to implement list comprehension changed significantly. Let us begin at the river. Part 1: The Inner World of the For Loop In Koan 4 we learnt that Python has 4 scopes (Local, Enclosing, Global and Builtin). However, there is also another “hidden” scope. Consider this loop: The loop above reassigns the value of x in the enclosing scope. After the loop runs, x is no longer 10. Its value is now 2. The loop's variable x "leaked" into the surrounding code. Now consider th…  ( 8 min )

The Hidden Teaching: The Flow of Assignment Just as a master potter knows that some steps must precede others regardless of the order they're written, a seasoned Python developer understands that a seemingly simple assignment is not a singular event. It's a flow. The value does not flow from left to right; it flows from right to left. Consider a chain of assignments: This may appear to assign x + 2to x, y, and z simultaneously. But Python does not work that way. It evaluates this expression from right to left. The expression x + 2 is evaluated. The value 12 is assigned to the variable z. This assignment itself returns the value that was assigned, which is 12. This returned value 12 is then assigned to y. This new assignment also returns the value 12, which is then assigned to x. …  ( 9 min )

Hi everyone, As a developer, I spend a lot of time thinking about efficiency — not just in code, but in life. One thing I noticed: managing personal finances can be chaotic. Bills, subscriptions, daily expenses — it’s easy to lose track. That’s why I built Spentsor – AI Expense Tracker powered by LOVnEo. It’s my personal experiment in making money management simple and developer-friendly: Track expenses automatically: AI categorizes spends so you don’t have to Visual calendar view: See your month at a glance Notes & reminders: Never miss a payment Offline-first & ad-free: Smooth experience anytime A simple example: I used to buy cold drinks every day without noticing. With Spentsor, I could see a pattern, track it, and cut unnecessary spending. Small changes like that add up quickly. What I love as a developer: building something real people use and love. It’s not just a side project — it’s helping students, freelancers, young professionals, and families manage their money without stress. If you’re curious, check out Spentsor on Google Play (developer: LOVnEo). And if you’re building apps, remember: solve real problems, keep UX simple, and iterate often. — Divakar  ( 6 min )

Quick Summary: 📝 NotelyVoice is a cross-platform, private AI voice transcription and note-taking application built with Compose Multiplatform. It leverages Whisper AI for on-device speech-to-text conversion in 50+ languages, ensuring user privacy by avoiding cloud uploads. The app is available on Android and iOS. ✅ AI-powered voice transcription for effortless note-taking ✅ Cross-platform availability (Android & iOS) ✅ Offline functionality for use anywhere, anytime ✅ Rich text editing and organizational tools for enhanced note management ✅ Privacy-focused design to protect your data Project Statistics: 📊 ⭐ Stars: 375 🍴 Forks: 13 ❗ Open Issues: 12 ✅ C++ Tired of endless note-taking during lectures or meetings? Wish you could effortlessly capture every word spok…  ( 7 min )

Cloud Load Balancing - Network Load Balancer (TCP/TLS) with SSL Proxy Step-01: Introduction Pre-requisite-1: Create Instance Templates, Create Managed Instance Groups as part of below demo https://dev.to/latchudevops/part-67-mastering-google-cloud-global-load-balancers-regional-mig-global-http-demo-n98 Create Global External Network Load Balancer - SSL Proxy Step-02: Create Health check - TCP # Create a health check - TCP gcloud compute health-checks create tcp tcp-health-check --port 80 Step-03: Create Global External Network Load Balancer Go to Network Services -> Load Balancing -> CREATE LOAD BALANCER Network Load Balancer (TCP/SSL): START CONFIGURATION Internet facing or internal only: From Internet to my VMs Multiple regions or single region: Multiple regions (or not sure …  ( 7 min )

Hey Dev community, I’m Divakar, a software tester turned indie developer. I wanted to share the story behind Spentsor – AI Expense Tracker powered by LOVnEo. Honestly, that hit me. I’ve been testing apps, fixing UX issues, and building small things before — like Rental Collect — but this felt like a real problem I could solve for people. So I started designing Spentsor. My goals were simple: Make AI categorize expenses automatically Give users a calendar view of their spending Add notes and bill reminders Keep the UX smooth and minimal Remove annoying ads and make it usable offline first Seven months later, Spentsor was born. What I love about building this app is that it’s solving a real problem, not just creating another shiny app. Now, students, freelancers, young professionals, and families can track their money without stress. It’s fast, clean, and smart. Lessons I learned building Spentsor: Listen to actual problems people face — not what you think they want. UX matters more than features. A simple, smooth interface is worth more than 10 complex features. AI can save time, but only if it actually makes life easier. Build in public. Sharing your progress and getting feedback early can save months of rework. If you’re curious, Spentsor is live on Google Play (developer: LOVnEo) and I’d love feedback from the Dev community. It’s been a fun, messy, learning-filled journey — and hopefully, it helps people manage their finances more easily.  ( 6 min )

I followed the hands-on tutorial in the Readme of first contributions and made my first pull request to the same repo. / first-contributions Read this in other languages. First Contributions This project aims to simplify and guide the way beginners make their first contribution. If you are looking to make your first contribution, follow the steps below. If you're not comfortable with command line, here are tutorials using GUI tools. If you don't have git on your machine, install it. Fork this repository Fork this repository by clicking on the fork button on the top of this page. This will create a copy of this repository in your account. Clone the repository Now clone the forked repository to your machine. Go to your GitHub account, open the forked repository, click on the code button, then on SSH tab and then click the copy url to clipboard icon. Open a terminal and run the following git command: git clone "url you just copied" where "url you just copied" (without the… View on GitHub  ( 6 min )

Hi there! In this quick tutorial/overview, we will discuss how to use the updated Dawn API to import external textures into WebGPU, and more precisely how to use this API to import a video stream generated with FFmpeg in a DirectX11 context. But first: if you prefer to follow this tutorial in a video, there is a compagnon youtube version for it available at: References Here are some links relevant to this article: Microsoft DXGI Format Documentation: https://learn.microsoft.com/en-us/windows/win32/api/dxgiformat/ne-dxgiformat-dxgi_format NervLand Adventures Repository: https://github.com/roche-emmanuel/nervland_adventures TerrainView8 reference app: https://nervtech.org/terrainview8/ Introduction To implement this feature I built a dedicated VideoPlayer com…  ( 19 min )

When we speak of hashing in Python, we are entering a realm where identity, equality, and performance converge. In Koan 1, we learnt the difference between Identity and Equality. Hashing in Python uses equality rather than identity. It promises that two objects that are equal will share the same mark. But the promise is not perfect. The koan shows us two NaNs ("Not a Number"). They cannot be equal to each other, by mathematical rule. Yet their hashes are equal. How can two things be marked the same, yet not be the same? Let us examine the seals carefully. A hash is a value produced by a function designed to uniquely represent an object. In Python, the built-in hash() function returns an integer, and it is used by dictionaries and sets to test membership. When you do: Python does not s…  ( 9 min )

Note: This article was originally written in May 2024. Even though I’ve updated parts of it, some parts may feel a bit dated by today’s standards. However, most of the key ideas about LLMs remain just as relevant today. When you look at a new LLM release these days, there’s one number that always makes the headlines: context window size. Accuracy, cost, latency—those all matter, but context length has become a bragging right of its own. Google even announced that Gemini can handle up to 1 million tokens in a single context window. But what exactly is a context window? Why does it matter so much, and why is it such a hard technical problem? Let’s dive in. In simple terms, the context window is the maximum amount of input text an LLM can process at once. If you’re using ChatGPT, it’s the…  ( 9 min )

In recent years, the threat of supply chain attacks has surged, prompting organizations to rethink their software development and deployment strategies. Tools like Obsidian are gaining traction for their unique approach to enhancing security through simplicity. Unlike many complex systems that introduce numerous dependencies and potential vulnerabilities, Obsidian adopts a "less is safer" philosophy. This approach not only reduces the attack surface but also streamlines the development process. In this article, we will explore how Obsidian’s design philosophy minimizes risks associated with supply chain attacks, providing actionable insights, technical details, and practical implementation strategies. Supply chain attacks target vulnerabilities in the software supply chain, aiming to compr…  ( 8 min )

Top 10 JavaScript Tips Every Developer Should Know JavaScript is the backbone of modern web development, but even experienced developers can overlook subtle features that make coding faster, cleaner, and more efficient. In this post, I’m sharing 10 practical JavaScript tips that can help you level up your skills. const and let Instead of var var has function scope, which can lead to unexpected behavior. Prefer let for variables that change and const for constants. const name = "Prasoon"; // cannot reassign let age = 17; // can reassign This reduces bugs and makes your code more predictable. You don’t need to check for undefined manually anymore. Use default parameters. function greet(name = "Guest") { console.log(`Hello, ${name}!`); } greet(); // Hello, Guest! String con…  ( 7 min )

Você já pensou como a linguagem Java evoluiu nos últimos anos? Neste artigo vamos relembrar os principais recursos que o Java trouxe ao longo das versões para tornar a vida do desenvolvedor mais fácil, permitindo escrever código mais limpo, conciso e simples. Há muito tempo tive a oportunidade de trabalhar em um projeto com java 4 em um mundo que o java 5/6 já eram presentes. List lista = new ArrayList(); // Adicionar número: precisa criar explicitamente o objeto lista.add(new Integer(10)); lista.add(new Integer(20)); // Recuperar número: precisa fazer cast + chamar intValue() Integer obj = (Integer) lista.get(0); int valor = obj.intValue(); A partir do Java 5 nossa vida de desenvolvedor melhorou muito com Autoboxing/Unboxing e Generics. List nums = new ArrayList(); …  ( 8 min )

React is one of the most popular front-end libraries in the world. It powers apps at companies like Meta, Netflix, Airbnb, and countless startups. It’s flexible, fast, and makes UI development fun. But here’s the catch even experienced React developers fall into some common traps. These mistakes might not break your app immediately, but they can cause: Performance bottlenecks Unpredictable bugs Bloated code Hard-to-maintain projects In this guide, we’ll go deep into 5 common React mistakes and see how to avoid them with best practices. When rendering lists in React, you must provide a key prop. A lot of devs reach for the array index: {items.map((item, index) => ( {item.name} ))} This looks fine… until you start adding, removing, or reordering items. React uses the …  ( 8 min )

📌 Note: This article was originally written in 2023. Even though I’ve updated parts of it, some parts may feel a bit dated by today’s standards. However, most of the key ideas about LLMs remain just as relevant today. If you’ve spent any time around LLMs, you’ve seen the term fine-tuning pop up again and again. Fine-tuning is how we adapt a big, general-purpose model to a specific job. Today, we’ll unpack what fine-tuning really means, why it became central to the LLM story, what made it expensive, and how techniques like LoRA changed the game. Before fine-tuning, we need to talk about pre-trained models. Elsewhere I’ve written about LLMs as foundation models—large models trained on broad, unlabeled text so they learn rich language patterns. That “foundation” is what downstream tasks stan…  ( 12 min )

We are given a Rock-Paper-Scissors game. I used wget to download the source file onto the webshell. I read the C source code. #include #include #include #include #include #include #include #include #define WAIT 60 static const char* flag = "[REDACTED]"; char* hands[3] = {"rock", "paper", "scissors"}; char* loses[3] = {"paper", "scissors", "rock"}; int wins = 0; int tgetinput(char *input, unsigned int l) { fd_set input_set; struct timeval timeout; int ready_for_reading = 0; int read_bytes = 0; if( l <= 0 ) { printf("'l' for tgetinput must be greater than 0\n"); return -2; } /* Empty the FD Set */ FD_ZERO(&inp…  ( 7 min )

Author: Nguyễn Khánh Tùng ORCID: 0009-0002-9877-4137 Website: https://traiphieu.com Every fundamental law of physics comes with a quantity and its unit: Newton for force, Pascal for pressure, Joule for energy. The NKTg Law (Law of Varying Inertia) introduces a new physical quantity — varying inertia — which reflects the combined effect of position, velocity, and mass. To measure this, I propose the NKTm unit, verified using NASA JPL Horizons data (Neptune, 2023–2024). The NKTg Law defines motion as: math NKTg = f(x, v, m) where x: position [L] v: velocity [L/T] m: mass [M] p = m·v: momentum [M·L/T] Two main forms: NKTg₁ = x · p (Position–Momentum interaction) NKTg₂ = (dm/dt) · p (Mass-variation–Momentum interaction) Both share the same unit: NKTm. 📐 Dimensional An…  ( 7 min )

Hardware waves come and go, but the systems that last are the ones engineered for clarity, credibility, and cultural fit. If you want a quick pulse check on why culture now matters as much as compute, skim this take on Nvidia’s expanding footprint—from silicon to social gravity—before you design your next roadmap: Nvidia’s next wave of influence. What follows is a practical guide for teams who want their work to remain useful and trusted long after today’s benchmarks age out. Most teams oscillate between frantic shipping and aspirational strategy decks. The way out is to connect your week-by-week rituals to decade-scale survivability. Ask of every big effort: Will a future maintainer understand why we did this? Can a newcomer reproduce our results? Have we left a trail that outlives today’…  ( 9 min )

Introduction What to Expect in This Article ⚠️Important Part 1: Microsoft’s Implementation Part 2: Exploring Every Hidden Trail Solution Folder Structure 📂 src/ Folder 📂 tests/ Folder 📂 samples/ folder You know what? Let's Roll Two Dice With One Throw 🎲🎲 Setting Up Basic Files & Folders Configuring Git Creating the Main Template Folder .editorconfig and .gitignore Files Project Structure So Far The Three Essential Folders Creating the Project Creating Test Projects Sample Project Adding the Projects to the Solution Setting Up the Landing Page Front-End Project Structure So Far .template.json File Installing and Testing the Template Samples Tests Submodule The Web Project Configurable Framework Version Let's Take a Look at The CLI README Template Creating the Template Packaging the T…  ( 26 min )

Turns out major trailers like GTA 6 and The Witcher 4 are being captured on the standard PS5, not the PS5 Pro or top-end PC rigs. Developers—from Rockstar to CD Projekt Red—are deliberately targeting the “OG” console so they can hit a spec that the vast majority of players actually own. By aiming just below the hardware ceiling, studios keep expectations realistic, reassure gamers that their kit won’t feel ancient in a couple of years, and sidestep the financial pinch of inflation—making the slow march toward PS6 feel a lot less urgent. Watch on YouTube  ( 6 min )

In this part, we'll set up everything you need to start fine-tuning Small Language Models on your local machine. We'll focus on Apple Silicon optimization. Setting up your development environment correctly is like having a well-organized workshop - it makes everything else easier and prevents countless headaches down the road. A proper setup ensures: Optimal Performance: Getting the most out of your hardware Reproducible Results: Consistent behavior across sessions Easy Debugging: Clean environments make problems easier to trace Future Flexibility: Easy to experiment and extend Minimum Requirements RAM: 8GB (though 16GB+ is highly recommended) Storage: 20GB free space Processor: Apple Silicon (M1/M2/M3/M4) Recommended Setup RAM: 16GB or more (more RAM = larger models you can run) S…  ( 11 min )

Using the separator for the output If you wanted to use a specific separator for columns and rows while displaying the result set / table, you can use the .separator dot command which can take 2 arguments, first as the separator for the column and the second for the row. So, if we set use .separator "|" "---" then it will split the columns with | and each row with ---. 1|The Hobbit|J.R.R. Tolkien|310|1937-09-21|39.99---2|The Fellowship of the Ring|J.R.R. Tolkien|423|1954-07-29|49.99---3|The Two Towers|J.R.R. Tolkien|352|1954-11-11|49.99---4|The Return of the King|J.R.R. Tolkien|416|1955-10-20|49.99--- The output looks wired but I was giving a example. The row separator is by default a \n character or \r\n on windows, which is for the list or any other mode. However if you want to add th…  ( 8 min )

Your users don’t judge trust by slogans; they judge it by the trail of verifiable evidence you leave behind. That trail starts in small, public places—a consistent directory presence like this simple TechWaves profile—and runs through your docs, changelogs, incident notes, and the way you respond when things break. Treat that whole surface area like a system you can design, test, and improve. Digital trust isn’t a mood; it’s the probability a user assigns to the statement: “This product will do what it says, when it matters, with predictable risk.” That probability moves up or down based on signals you control: Identity signals: Do names, URLs, and contacts match across public properties? Can a stranger find an authoritative source in one hop? Evidence signals: Are claims tied to reproduci…  ( 9 min )

1/ Introduction to Cloud Computing: ◇ Cloud Computing: It is one of the models of delivering computing services over the Internet, allowing users to access computing resources. 2/ History and Origin of Cloud Computing: ◇ History of Cloud Computing: ◇ Its evolution with the Internet: 3/ Types of Cloud Computing: ◇ Cloud computing is divided into several main models depending on the type of service: 1- Infrastructure as a Service (IaaS): 2- Platform as a Service (PaaS): 3- Software as a Service (SaaS): 4/ Disadvantages of Cloud Computing: 1> Dependence on the Internet: 2> Security and privacy concerns: 3> High costs with heavy usage: 4> Limited control: 5> Compatibility and migration issues: 6> Possibility of outages: 5/ Conclusion: • Cloud computing is no longer just a technical option but has become a fundamental pillar in our daily lives and modern businesses. It has helped us securely store our data, collaborate easily, and access resources that were once available only to large corporations. Despite challenges related to security and Internet dependency, its benefits far outweigh its drawbacks. The future is moving more toward the cloud, especially with the rise of artificial intelligence and the Internet of Things. In short, cloud computing is not just a technology but a revolution that has changed the way we interact with the digital world and manage information and knowledge.  ( 8 min )

As developers, we build systems. We think in terms of architecture, inputs, outputs, and scalability. So why does most B2B content marketing feel like a messy script with no version control? We publish random posts, console.log our thoughts into the void, and hope for the best. The result? Zero measurable ROI. Let's change that. It's time to apply our engineering mindset to content. A high-performance B2B content hub isn't just a blog; it's a well-architected system designed to attract the right users and convert them into leads. It's Content as Code. This guide will give you the blueprint to architect a B2B content hub that functions like a scalable, efficient application, using concepts like pillar content, topic clusters, and a clear lead generation API. Forget the fuzzy marketing defin…  ( 9 min )

In the gleaming towers of Silicon Valley and the advertising agencies of Madison Avenue, algorithms are quietly reshaping the most intimate corners of human behaviour. Behind the promise of personalised experiences and hyper-targeted campaigns lies a darker reality: artificial intelligence in digital marketing isn't just changing how we buy—it's fundamentally altering how we see ourselves, interact with the world, and understand truth itself. As machine learning systems become the invisible architects of our digital experiences, we're witnessing the emergence of psychological manipulation at unprecedented scale, the erosion of authentic human connection, and the birth of synthetic realities that blur the line between influence and deception. Virtual influencers represent perhaps the most u…  ( 22 min )

Authentication is one of the most important aspects of building secure APIs. In this tutorial, we’ll walk through how to implement three authentication methods in Django REST Framework: Session Authentication JWT Authentication OAuth2 Authentication You’ll learn how to set up each method, test them with Postman, and follow best practices to keep your APIs secure. 👉 Full tutorial here: Djamware.com  ( 6 min )

The intersection of event-driven architecture (EDA) such as Kafka and blockchain results in trusted events and scalable distribution. In this blog, you will understand the importance of creating and using event-driven systems that connect decentralized data with enterprise infrastructure. If you are building real-time dashboards, supply-chain apps, or fintech services, this blog is for you. In an event-driven architecture setup, systems communicate via events—immutable records of an event. Instead of constantly polling for changes, services react as soon as an event is published. For example, consider the following chain of events. A payment service emits an “OrderPaid” event. A shipping service reacts to it and dispatches the package. An analytics service consumes the same event for repo…  ( 7 min )

Recently working with Sitecore, I had a scenario where I was trying to set a filter key and value to pass to Sitecore Search from XM Cloud via rendering parameter. I have a rendering that gets back search results, but the client wanted to sometimes restrict those by a certain field to a certain value. Since we have all those taxonomy values in Sitecore, we hooked up both key and value as droplink fields. Which makes sense, because you don't want to lose track of the item if it moves. Here's the catch...by default, Sitecore Search doesn't capture IDs, but textual values. Well, you can make it capture what you want with the API Push, but you don't want to throw everything in necessarily. Plus by default, you're going to think of getting the textual value in case you want to use it for faceti…  ( 7 min )

Disclosure: This post includes affiliate links; I may receive compensation if you purchase products or services from the different links provided in this article. Hello folks, System design interviews are a crucial part of technical hiring, especially for senior engineering roles. When preparing for these interviews, two of the most popular resources are ByteByteGo by Alex Xu and Grokking the System Design Interview by DesignGurus.io. Being a programmer and author, I often receive questions like Which one is better? Should I join ByteByteGo or take the Grokking the System Design interview course? Well, both have established themselves as leading study materials for system design, but they offer different approaches. In this comparison, we will analyze their content, teaching style, suitab…  ( 11 min )

Mastering the basics: Why building simple tools is crucial for your coding journey – Day 12: A Beginner-Friendly Python Currency Converter (No APIs!) Continuing our** #90DaysOfCode series**, Day 12 focuses on a foundational yet practical project: a Python Currency Converter. For aspiring developers, understanding core language features before integrating complex external services is vital. This script is designed precisely for that – it allows users to convert currency amounts using predefined, fixed exchange rates. What makes this project ideal for beginners and a great learning resource? Simplicity Focused: **By avoiding external API dependencies, we eliminate setup friction and focus purely on Python logic (dictionaries for rates, functions for conversion, clear input/output handling). This helps solidify fundamental concepts. The entire codebase is thoroughly commented, explaining each step, design choice, and potential area for modification. This makes it an excellent blueprint for learning how to structure and document your own code. Practical Application: While simple, it demonstrates how core programming concepts can be applied to create a tangible, useful utility. I encourage you to clone the repo, run the script, modify it, and even suggest improvements! Your stars and feedback mean a lot 🙏. Hashtags: #Python #Coding #OpenSource #90DaysOfCode #BeginnerPython #Developer #Programming #LearningToCode #CodeChallenge  ( 6 min )

Tired of Writing the Same Email Over and Over? Let's Talk About AI Magic! Ever find yourself typing the same reply to customer inquiries, or struggling to craft the perfect subject line for an important email? You're not alone! We all crave efficiency, and that's where something truly exciting comes in: AI-powered writing assistants. These aren't just fancy grammar checkers – they're tools that can understand context, generate ideas, and even write entire paragraphs for you. Sounds like science fiction? It's not! It's here, it's accessible, and it's changing how we communicate. Think about how much time we spend writing every day. Emails, reports, social media posts, presentations… it all adds up! AI writing assistants can significantly reduce the time spent on these tasks, freeing you u…  ( 8 min )

Google Cloud - Global Application Load Balancer HTTPS with Google Managed SSL Step-01: Introduction Pre-requisite-1: Create Instance Templates, Create Managed Instance Groups as part of below demo https://dev.to/latchudevops/part-67-mastering-google-cloud-global-load-balancers-regional-mig-global-http-demo-n98 Create Global Application Load Balancer - HTTPS with Google Managed SSL Certificates Step-02: Create Global HTTPS Load Balancer Go to Network Services -> Load Balancing -> CREATE LOAD BALANCER Select Application Load Balancer (HTTP/S): START CONFIGURATION Internet facing or internal only: From Internet to my VMs or serverless services Global or Regional: Global external Application Load Balancer Load Balancer name: global-lb-external-https-google-managedssl Frontend Configuratio…  ( 7 min )

When working with PHP, managing data efficiently is one of the most important tasks for developers. Arrays in PHP provide a structured way to store, organize, and manipulate multiple values under a single variable name. Instead of creating separate variables for each piece of data, arrays allow you to handle collections of related values easily. In this tutorial, we’ll explore PHP arrays, their types, usage, and real-world applications with practical code examples. An array is a special variable that can hold more than one value at a time. For example, instead of: $car1 = "BMW"; $car2 = "Audi"; $car3 = "Mercedes"; We can use an array: $cars = array("BMW", "Audi", "Mercedes"); Here, $cars holds three values under one variable. PHP provides three main types of arrays: Indexed Array – Uses …  ( 8 min )

The useEffect hook lets you perform side effects in functional components — like fetching data, updating the DOM, or setting up timers. 📌 Basic Example: import { useEffect, useState } from "react"; function App() { const [count, setCount] = useState(0); useEffect(() => { document.title = `Clicked ${count} times`; }, [count]); return ( setCount(count + 1)}> Click {count} ); } ✨ Key Points: 👉 Example Cleanup: useEffect(() => { const timer = setInterval(() => console.log("Running..."), 1000); return () => clearInterval(timer); // cleanup }, []); React’s useEffect keeps your UI and side effects in sync! 🚀  ( 6 min )

You’re here because you’ve heard these terms thrown around in boardrooms, on strategy calls, or in business podcasts. Someone said “we need to integrate vertically” with the same casual confidence another person orders a latte. And you nodded along, maybe Googled it later, and found a wall of corporate jargon that made your eyes glaze over. I get it. I’ve been there. As an SEO executive, my entire job is about strategy—figuring out the right path to gain visibility, traffic, and, ultimately, market dominance. And guess what? The concepts of vertical and horizontal integration aren't just for manufacturing giants; they're powerful lenses through which to view any growth plan, including your content and digital asset strategy. So, let's cut the MBA buzzword bingo and talk about what this act…  ( 8 min )

Imagine waking up one morning to find out the math behind the encryption protecting your bank account is slowly beginning to break. That’s exactly the kind of shift a recent breakthrough in China is hinting at — and while we’re not in immediate danger, it’s a wake-up call the world can't ignore. A team of researchers from Shanghai University used a quantum annealing computer by D-Wave Systems to crack a 22-bit RSA key — a small feat in terms of practical encryption but a huge leap in terms of quantum capabilities. They avoided the traditional Shor’s algorithm and instead reframed the problem as a combinatorial optimization task, ideal for D-Wave’s quantum annealers. While a 22-bit key is not used in practice, this successful demonstration shows significant progress in real-world quantum cr…  ( 7 min )

Hey Dev.to! 👋 I’m 12 years old and I’ve been coding for 2 years. Last month, I set myself a challenge: build 5 complete projects in 30 days using HTML, CSS, JavaScript, PHP, and React. Here’s what happened—and what I learned: 1️⃣ Start Small, Finish Fast Instead of aiming for huge apps, I broke ideas into mini MVPs. 2️⃣ Reuse Code Like a Pro I made a personal library of components I could copy into new projects: Navbar ✅ 3️⃣ Learn by Doing React, Angular, and Flutter didn’t come from tutorials—they came from real projects. 4️⃣ Share Your Work I uploaded all projects to GitHub and got feedback online. Even small suggestions level up your skills fast. My GitHub: https://github.com/DMS-Menula 5️⃣ Embrace Mistakes Every bug is a lesson. Debugging isn’t frustrating—it’s learning in action 🕵️‍♂️.  ( 7 min )

Things to do when bored for artists during a break Things to Do When Bored for Artists During a Break Introduction Every artist knows the feeling: you’ve been working intensely on a project, and suddenly, you hit a wall. Whether it’s creative burnout, mental fatigue, or just the need to step away for a moment, breaks are essential. But what happens when that break turns into a stretch of boredom? Instead of scrolling mindlessly or staring into space, artists can transform these moments into opportunities for growth, inspiration, and rejuvenation. This article is tailored specifically for artists looking for meaningful and productive things to do when bored during a break. From quick creative exercises to mental resets, these ideas will help you make the most of your downtime and ret…  ( 9 min )

Introduction When building MERN (MongoDB, Express.js, React, Node.js) applications with a team, proper project structure becomes critical for long-term success. A well-organized codebase reduces onboarding time, prevents bugs, enhances collaboration, and facilitates scaling more easily. Why folder structure and conventions matter in large applications: Developer velocity: New team members can quickly understand and contribute to the codebase Maintainability: Clear separation of concerns makes debugging and refactoring easier Scalability: Organized structure supports adding new features without creating technical debt Code quality: Consistent patterns reduce the likelihood of bugs and anti-patterns Common mistakes that hurt team productivity: Mixing frontend and backend logic in the same …  ( 11 min )

📝 This article is part of the official Clprolf documentation series (6/6). The underst modifier (@Underst in the Clprolf framework) is used to mark methods whose implementation is not straightforward. It highlights algorithms that are non-trivial, where the way a computer solves a task is different from how a human would naturally reason about it. underst means “understanding”. It shows that the method exists to make the computer understand a process that is not directly intuitive. It applies to both agents and worker_agents. Even with human-like algorithms (such as those written in Algol-like languages), it is sometimes tricky to express jobs for the computer. sorting: while humans sort in a very direct way, computers need a step-by-step algorithm. Consider the bubble sort algorithm. A h…  ( 7 min )

Large Language Models (LLMs) have revolutionized how we approach text and code generation, but they come with a persistent problem: they frequently produce output that doesn't work. Whether it's malformed JSON that breaks your parser, code that won't compile, or worse—code that compiles but contains dangerous security vulnerabilities—these "non-working nodes" represent a major barrier to deploying LLMs in production systems. Understanding why this happens and how to systematically address it is crucial for anyone building reliable AI-powered applications. The solution isn't just better prompts—it requires a comprehensive, multi-layered defense strategy. LLM failures fall into three distinct categories, each requiring different approaches to fix: Syntactic Errors are the most obvious failur…  ( 10 min )

Intro As you may have heard or seen, there is a bit of controversy around Ubuntu adopting a rewritten version of GNU Core Utils in Rust. This has sparked a lot of debate in the tech community. This decision by Canonical got me thinking about this whole trend or push of rewriting existing software in Rust which seems to be happening a lot lately. To put it bluntly I was confused by the need to replace GNU Core Utils with a new implementation as GNU Core Utils has been around since arguably the 90s and more realistically 2000s and it has been battle tested and proven to be reliable, efficient, effective and most importantly secure as it had basically never had any major security vulnerabilities in its entire existence. So why then would we deem it necessary to replace it with a new impleme…  ( 12 min )

I recently started learning Java, and in my first few sessions we covered some of the most important basics. In this post, I want to walk through what I learned: methods, the main method, objects, how to call methods, and even building a small calculator program. Methods in Java Methods are blocks of code that perform a specific task. They make code reusable, organized, and easier to read. We looked at four different types of methods: 1.With return type, without arguments 2.With return type, with arguments 3.Without return type, with arguments 4.Without return type, without arguments Example public class Mathematics { //With return type, with arguments public int addition (int a, int b) { return a+b; } //Without return type, with arguments public void int subtraction (…  ( 7 min )

we’ve already built a meeting room booking app. coming soon: a TV app, a foosball score tracker, and an SMS routing app if you’re interested, join us! git https://github.com/effective-dev-opensource/Effective-Office  ( 5 min )

🔊 Clone Any Voice with Just 10 Seconds of Audio — No Restrictions, No Gatekeepers Tired of the corporate muzzle? ElevenLabs and its clones won’t let you replicate anyone’s voice but your own. This project doesn’t play by those rules. It’s raw, local, and totally under your control. No cloud. No identity checks. Just pure voice cloning power. If you’ve got a clean 5–10 second .wav file, you’ve got a voice model. Let’s build it. this skill requires at least 2Gb RAM to run(to load the model). The AI doesn’t need a massive dataset—just a clean 5–10 second .wav file of someone speaking. You add the cloner file and voice sample to their respective places. You run the cloner once to install dependencies and verify it works. Then the LivinGrimoire skill works as long as it correctly imports th…  ( 8 min )

In the world of .NET programming, C# Reflection is one of the most powerful and flexible features. It allows developers to inspect metadata, explore types, and dynamically invoke members of classes at runtime. Reflection can seem complex at first, but when mastered, it opens doors to advanced programming techniques such as dynamic type loading, plugin frameworks, and automated testing tools. At Tpoint Tech, we strive to simplify these advanced concepts so that both beginners and experienced developers can use them effectively in real-world applications. In this article, we’ll explore the fundamentals of C# Reflection, practical examples, and the best practices to follow when using it in your projects. Reflection in C# is the ability to obtain information about assemblies, modules, and type…  ( 8 min )

KEDA & Event-Driven Autoscaling: Solving Queue Backlogs in Kubernetes If you've ever run Kafka or RabbitMQ consumers in Kubernetes, you know the pain: your consumers are either underutilized or overloaded, and CPU-based HPA just doesn’t cut it. Enter KEDA — Kubernetes-based Event-Driven Autoscaling. KEDA Github KEDA is a lightweight autoscaler that scales your Kubernetes workloads based on external events or metrics, such as: Queue length in Kafka or RabbitMQ Prometheus metrics Cloud events (Azure, AWS, GCP) Unlike HPA which scales on CPU/memory, KEDA lets your pods scale dynamically based on actual workload. Important: KEDA itself runs as a Deployment in your Kubernetes cluster. It’s not a StatefulSet or a special Deployment of your app. It consumes CPU/memory like any other Depl…  ( 8 min )

When you hear "horizontal and vertical integration," your eyes might glaze over. You picture dusty textbooks from business school, abstract diagrams, and theoretical models that feel a million miles away from the real, gritty work of growing a company. I get it. I’m an SEO guy. My world is keywords, backlinks, and algorithm updates. But after fifteen years in the trenches, I’ve learned one brutal truth: the most powerful SEO strategy in the world can't save a flawed business model. You can rank #1 for every keyword under the sun, but if your operational backbone is weak, your costs are out of control, or a competitor can easily undercut you, that traffic is worthless. That’s where integration comes in. It’s not a dusty concept; it’s the brutal, practical chess game of corporate strategy th…  ( 9 min )

When you hear "horizontal and vertical integration," your eyes might glaze over. You picture dusty textbooks from business school, abstract diagrams, and theoretical models that feel a million miles away from the real, gritty work of growing a company. I get it. I’m an SEO guy. My world is keywords, backlinks, and algorithm updates. But after fifteen years in the trenches, I’ve learned one brutal truth: the most powerful SEO strategy in the world can't save a flawed business model. You can rank #1 for every keyword under the sun, but if your operational backbone is weak, your costs are out of control, or a competitor can easily undercut you, that traffic is worthless. That’s where integration comes in. It’s not a dusty concept; it’s the brutal, practical chess game of corporate strategy th…  ( 9 min )

Google Cloud - Global Application Load Balancer HTTPS Step-01: Introduction Pre-requisite-1: Create Instance Templates, Create Managed Instance Groups as part of below demo https://dev.to/latchudevops/part-67-mastering-google-cloud-global-load-balancers-regional-mig-global-http-demo-n98 Pre-requisite-2: Create Self-Signed SSL Certificates Step-02: Pre-requisite-2: Create Self-Signed Certificates # Create and Change Directory mkdir SSL-SelfSigned-Certs cd SSL-SelfSigned-Certs # Create your app1 key: openssl genrsa -out app1.key 2048 # Create your app1 certificate signing request: openssl req -new -key app1.key -out app1.csr -subj "/CN=app1.latchudevops.com" # Create your app1 certificate: openssl x509 -req -days 7300 -in app1.csr -signkey app1.key -out app1.crt Step-03: Create Glo…  ( 7 min )

Understanding Glue Records in DNS Glue records are special DNS records that resolve a "chicken and egg" problem in the Domain Name System (DNS). They are essentially IP addresses for name servers that are part of the same domain, published in the parent zone or by the domain registrar. When you type a domain name into your web browser, the DNS system translates that domain name into an IP address that computers use to identify each other on the network. This translation is done by querying a series of DNS servers, starting from the root servers down to the authoritative name servers for the domain. All domain names must have at least two name servers for redundancy and reliability. These name servers are typically specified in the domain's DNS records. But if you want to use name servers t…  ( 7 min )

Kubernetes is veel gebruikt als een container orkestratie tool voor het inzetten en beheren van microservice applicaties. Maar zelfs de meest sterke systemen krijgen soms fouten. De meest voorkomende en vervelende fout die Kubernetes gebruikers krijgen is ImagePullBackOff en ErrImagePull fouten. Deze fouten laten duidelijk zien dat je cluster moeite heeft met het halen van de container images uit de bron registry. In deze blog gaan we diep kijken naar deze image fouten, we zien hun aard, begrijpen hun oorzaak, en hoe je ze kan vinden en oplossen, met een debugging simulatie om te helpen bij hun oplossing. ImagePullBackOff en ErrImagePull laten zien dat de cluster niet kan trekken container images uit de registry. Ze lijken dicht bij elkaar, maar ze laten verschillende uitkomsten van de …  ( 9 min )

Anyone who’s had a huge video download collapse at 99% knows the pain. That’s why I still keep Internet Download Manager (IDM) on my PC in 2025. The newest release — IDM 6.42 Build 45 — brings smoother downloads and better integration, but it always makes me wonder: is IDM worth the price when free options are just a click away? Highlights of IDM Build 45 Stronger extension integration with Chrome/Edge for more reliable video grabbing. Better recovery from broken downloads on slow or unstable Wi-Fi. Interface tweaks — dark mode looks cleaner, fonts scale better on 4K monitors. Expanded video/audio recognition, even for newer formats like. 👉 Full details here: IDM 6.42 Build 45 + Best Free Alternatives Free Download Manager Alternatives If you don’t download daily, you might not need a paid app. These free tools are surprisingly solid in 2025: Free Download Manager (FDM) — lightweight, simple, and supports torrents. Xtreme Download Manager (XDM) — feels like IDM, solid for grabbing videos. JDownloader 2 — perfect for bulk or batch downloads. uGet — open-source, minimal, and flexible. None of these fully match IDM’s stability and speed, but they’re more than enough for casual use. My Take For power users who download files regularly, IDM Build 45 still sets the standard. But if you just need to save a few videos or files now and then, the free managers above might be all you need. Check out my full write-up (with pros, cons, and comparisons) here: Read the complete post on FreeToolVerse.io  ( 6 min )

How to modify a file in your local git commit history with git rebase (with Vscode Ide)? situation I have a big file src\build_llm_learn\p7_digitalsreeni_210_unet_segmentation_models\model_examine\model_exec.ipynb in my local git commit history. (also another file examine_main.ipynb). I want to manually go to each commit point, to remove that file, or to modify the file to reduce its size, for each of the commit point in the git history. procedure create a backup branch create a backup branch: git branch backup-before-cleanup In vscode git panel, get the init commit hash. Open git bash CLI. git rebase to that point. git rebase -i 75eedea9e6bf96a62ac7f2f8392de48b7660f8c5^ An editor will open with a list of your last commits, so…  ( 9 min )

Scaling a frontend team is not just about adding more engineers. It’s about creating the right structure, processes, and culture so the team can grow without breaking down. Over the years, I’ve learned a few lessons — sometimes the hard way — on what actually works. When teams are small, everyone touches everything. That works at first, but it quickly becomes a bottleneck. Define ownership boundaries (features, domains, libraries). Use code ownership in the repo to make responsibilities explicit. Encourage shared context through reviews, but make one person ultimately accountable. Too much freedom = chaos. Too much control = slow motion. Agree on tech stack guardrails (framework, state management, testing tools). Define shared patterns (component architecture, naming conventions). Leave ro…  ( 7 min )

Learn how to set up your own email server using Mail-in-a-Box on a fresh Ubuntu server. You are already aware of all challenges and responsibilities of running a secure email server and you still want to have your own email server. That's great! This guide will help you set up a secure email server. In this tutorial, we'll use open-source email server software called Mail-in-a-Box. It's a batteries-included solution for setting up a mail server on a fresh Ubuntu server. It provides all basic features like webmail, calender, contacts, spam filtering, etc. out of the box. You can start using emails with your own domain right away after the setup. A fresh Ubuntu 22.04 server (a VPS from any provider will do). A domain name (you can buy one from any domain registrar). Basic knowledge of using …  ( 9 min )

Maîtriser la Cybersécurité : Découvrez l'Outil Wireshark La cybercriminalité est devenue une menace omniprésente dans notre monde connecté, mettant en péril la sécurité des données sensibles des entreprises et des individus. Pour contrer ces attaques, il est essentiel de disposer des outils adéquats pour surveiller et protéger les réseaux informatiques. Parmi les outils de cybersécurité modernes, Wireshark se distingue par ses capacités d'analyse approfondie du trafic réseau. Dans cet article, nous explorerons en détail cet outil essentiel pour les professionnels de la sécurité informatique. Wireshark est un logiciel open-source de capture et d'analyse de paquets réseau. Il permet aux utilisateurs de visualiser le trafic réseau en temps réel et d'inspecter en profondeur les données échan…  ( 7 min )

If you’ve recently upgraded to Windows 11 and use a Lexmark printer, chances are you’ve run into driver issues. From printers not being detected to random printing errors, these problems are frustrating but very common. The good news is, they’re also fixable. At Printersassist, we specialize in simplifying printer driver support for users across brands, and today we’ll walk you through exactly how to resolve Lexmark driver errors on Windows 11. This guide is designed to be practical, beginner-friendly, and detailed enough to give you confidence in troubleshooting without wasting hours searching forums. Before diving into the fixes, let’s understand the root causes. Lexmark drivers might fail due to: Windows 11 compatibility gaps (some drivers aren’t fully optimized yet). Corrupt or outdate…  ( 8 min )

How the world's most powerful event streaming platform powers everything from Netflix to your Uber ride. Imagine a central nervous system for your company's data a system where every event, every user click, every database change, and every sensor reading is instantly available to every application that needs it. This isn't science fiction; it's the reality enabled by Apache Kafka. And in the AWS cloud, you don't need to build this nervous system from scratch. You can use Amazon MSK (Managed Streaming for Kafka), which provides the incredible power of Kafka without the operational nightmare. At its core, Kafka is a distributed, durable event streaming platform. Let's break that down with an analogy. Imagine a bustling city newsroom: Reporters (Producers) are constantly gathering news. Th…  ( 9 min )

O' What may man within him hide, though angel on the outward side! Since the beginning of opensource ideology, Microsoft has been one of those companies that no one ever expected to join the cause. PowerShell opensource, and more important than that: by introducing Visual Studio Code to the world of programming. Microsoft vscode is one the fastest text editors out there and, thanks to its massive list of extensions, one of the best most-used IDEs in the world! One of the main ideas of opensource, is that when you can see the code, your can see if the program tries stealing your data. You might not see any telemetry code in vscode's source code, but Microsoft adds telemetry code to it before compiling it (as mentioned here). vscodium. Vscodium is freely-licensed binary distribution of vsco…  ( 7 min )

How I replaced Chef's complex provider system with a single gateway to 200+ AI models Chef is Convex's AI coding assistant that goes beyond simple code completion. Unlike other tools that just suggest the next line, Chef understands your entire application context and can help build full-stack features from database schemas to UI components. What sets Chef apart: Real-time collaboration with AI on complete applications Built-in deployment through Convex's infrastructure Context-aware assistance that knows your project structure Full-stack capabilities spanning frontend and backend The big news? Convex recently open-sourced Chef, giving developers complete control over their AI development workflow. Convex's decision to open-source Chef wasn't just about sharing code. It represents a shift …  ( 10 min )

The era of the centralized social media giant is facing an inevitable market correction. Amidst constant controversies, volatile algorithm changes that decimate organic reach, and the relentless commodification of user data, the digital public square has become a place of profound frustration. For over a decade, users have been tenants in “walled gardens,” where their connections are assets and their attention is the product. But the post-platform era of the internet is dawning, built on a revolutionary alternative: the world of private, self-hosted, and federated social networks. This is more than a technical evolution; it is a strategic migration from the chaotic, public “digital town square” to the controlled intimacy of a “digital living room.” This analysis will explore five impac…  ( 9 min )

Hi there, My name is Darshan, a founding engineer. Right now working at Huddle01. If you are hearing this term for the first time, “Founding Engineer” – it is basically an engineer who is a core member of a startup when it was started or a core member of a team when the product is getting built. This blog is about how it looks like working at a startup. This may help you decide whether you should consider working at a startup or not. It’s risky. Working at a startup is risky. You probably have heard this: “9 out of 10 startups fail” and that is somehow true. But even though it fails, you should aim for learning. In the early stage of your career, a startup feels like a giant empty canvas where you can experiment, build, and break things. Most importantly, you do this faster. When a startup…  ( 9 min )

Disclaimer: This is likely a bad idea. We're probably missing something obvious. Smarter engineers would find a better solution. But here we are. When we started evaluating CockroachDB for DeviceLab, we had high hopes. The promise of a distributed SQL database that could scale horizontally while maintaining consistency seemed perfect for our SaaS platform. After all, who doesn't want the scalability of NoSQL with the familiarity of PostgreSQL? But then reality hit us like a poorly configured database timeout. Our first attempt was with CockroachDB's cloud offering. Simple queries were taking over 2 seconds. Table creation? Nearly 2 minutes. We raised a support ticket, hoping for some magical configuration fix. Instead, we got two responses that made us question everything: First, they sugg…  ( 10 min )

Introduction Imagine a world where diseases like cancer, heart attacks, or diabetes can be detected years before symptoms appear. Thanks to Artificial Intelligence (AI), this vision is becoming reality. By analyzing massive datasets—from medical scans to genetic profiles—AI systems can uncover hidden patterns that even the most skilled doctors might miss. In this blog, we’ll explore how AI is helping healthcare shift from reactive treatments to proactive prevention, saving lives through early disease detection. 1. Why Early Detection Matters Early detection often means the difference between life and death. Cancer: The survival rate is over 90% when detected at Stage I, but drops dramatically at later stages. Heart Disease: Subtle changes in ECG or lifestyle patterns can reveal risks years…  ( 7 min )

Danny Maude shows how one simple pre-swing setup change can turn weak, slicing shots into longer, straighter drives and pure iron strikes—no fancy mechanics required. You’ll pick up a handful of easy-to-remember swing basics and drills that add effortless power and consistency to every swing. This lesson comes with a detailed practice plan, slow-motion video demos and extra tips on impact position and swing path. Perfect for beginners and seasoned players alike, it’s everything you need to tweak your setup, hit more fairways and start watching your scores tumble. Watch on YouTube  ( 6 min )

Building a newspaper or magazine website from scratch sounds exciting—but it can also be overwhelming. Between setting up the backend, managing articles, handling SEO, and keeping everything secure, you might find yourself writing more boilerplate code than actual features. That’s where PHP newspaper scripts come in. Instead of reinventing the wheel, you can use a ready-made solution that already has the essentials for running a modern news portal. In this article, we’ll walk through the process of launching a newspaper website using a PHP script and why it’s a smart choice for developers and entrepreneurs alike. If you’re a developer, you could technically build a news portal from scratch with Laravel, Symfony, or even plain PHP. But in most cases, you don’t need to. A newspaper script pr…  ( 8 min )

Apache Kafka is a distributed, durable, real-time event streaming platform. It goes beyond a message queue by providing scalability, persistence, and stream processing capabilities. In this guide, we’ll quickly spin up Kafka with Docker, explore it with CLI tools, and integrate it into a Spring Boot application. Apache Kafka is a distributed, durable, real-time event streaming platform. It was originally developed at LinkedIn and is now part of the Apache Software Foundation. Kafka is designed for high-throughput, low-latency data pipelines, streaming analytics, and event-driven applications. An event is simply a record of something that happened in the system. Each event usually includes: Key → identifier (e.g., user ID, order ID). Value → the payload (e.g., “order created with tot…  ( 9 min )

Building your own Ngrok in 130 lines Jeff Lindsay ・ May 27 '21 #programming #showdev #go  ( 5 min )

Introduction When attempting to deploy a Vite + React project to Firebase Hosting using GitHub Actions, I encountered a build failure. You are using Node.js 18.20.8. Vite requires Node.js version 20.19+ or 22.12+. Please upgrade your Node.js version. [vite:asset] Could not load /vite.svg (imported by src/App.tsx): crypto.hash is not a function GitHub Actions was using Node.js 18 Vite v7 requires Node.js 20.19+ or 22.12+ This caused the build to fail Solution 1. Upgrade Node.js Version Specify Node.js version 22 in the CI/CD configuration file. - name: Setup Node.js uses: actions/setup-node@v3 with: node-version: 22 - name: Install dependencies run: npm ci Reference: Post-fix configuration in GitHub Actions jobs: build: runs-on: ubuntu-latest steps: - name: Checkout code uses: actions/checkout@v3 - name: Setup Node.js uses: actions/setup-node@v3 with: node-version: 22 - name: Install dependencies run: npm ci - name: Run build run: npm run build Vite v7 does not work with Node.js 18 GitHub Actions may use an older Node.js version by default Simply upgrading Node.js to 20 or higher resolves the issue  ( 6 min )

React Component Testing: Best Practices for 2025 🧪 Taha Majlesi Pour ・ Sep 20 #testing #frontend #javascript #react  ( 5 min )

In today’s competitive digital landscape, retail businesses can no longer rely solely on physical stores or simple e-commerce websites to maintain customer loyalty. Mobile applications have become an integral part of how consumers shop, discover new products, and engage with brands. However, building a retail app is not just about creating a beautiful interface; it is about developing a scalable retail app architecture that can handle growth, adapt to changing market needs, and deliver a seamless experience to users. In this article, we will explore the essential components, best practices, and real-world considerations for building a retail app architecture that is truly scalable. Whether you are a CTO, product manager, or entrepreneur, this guide will help you understand how to approach …  ( 9 min )

Node.js Memory Profiling: Understanding and Optimizing Your Application Introduction Node.js, with its non-blocking, event-driven architecture, is a powerful platform for building scalable and performant network applications. However, like any runtime environment, Node.js applications can suffer from memory leaks, inefficient memory usage, and other memory-related issues. These issues can lead to performance degradation, instability, and even application crashes. Therefore, understanding and implementing effective memory profiling techniques is crucial for building robust and performant Node.js applications. This article delves into the intricacies of Node.js memory profiling, covering its importance, tools, techniques, and best practices for identifying and resolving memory-related prob…  ( 10 min )

In a laboratory at the University of Colorado Boulder, something impossible is happening. Under a microscope, colourful stripes dance in an endless loop, like a GIF that plays forever without consuming any energy. These aren't computer graphics or optical illusions. They're real, physical patterns that scientists can see with their own eyes, and they represent one of the strangest discoveries in modern physics: visible time crystals. To appreciate the magnitude of this breakthrough, consider this: every clock ever built, from Big Ben to your smartphone, measures time but remains fundamentally separate from it. These new structures don't just measure time; they embody it, creating their own temporal rhythm that persists indefinitely without any energy input. It's as if scientists have captu…  ( 25 min )

When building APIs, chat services, or real-time systems, one of the biggest challenges is preventing clients from overwhelming your server with too many requests. Without protection, a flood of traffic can slow down performance or even crash the system. This is where rate limiting comes in. Among the many techniques available, the Token Bucket Algorithm is widely used because it is simple, efficient, and allows for bursts of traffic without losing overall control. Rate limiting is the process of controlling how many requests a client can send to a server in a given period of time. Example: A client may be allowed 10 requests per second. If they exceed that, their additional requests are rejected until the next second begins. Rate limiting ensures: Fair resource usage across users Protectio…  ( 8 min )

When you hear the word deaf-blind, you might think “How do you communicate then?” And if you have ever studied anything related to communication, I’m sure your old professor is haunting you right now with Paul Watzlawick’s “One cannot not communicate” with that uuh spooky echo uuuh. But it’s still puzzling, right? Blind people usually rely on their hearing, and deaf people use sign language to communicate. So, how are deaf-blind people making it work? “Deafblindness is an invisible disability because there is no way we can know how a person perceives the world unless we ask.” — Dr Leda Kamenopoulou, Associate Professor at UCL We have already established that blindness is a spectrum. Okay, let’s rather say vision is a spectrum, and legal blindness is further on the low vision side, but it…  ( 7 min )

What Is Mixture of Experts (MoE)? Imagine you’re on a trip with friends. When dinner time rolls around, the group asks, “So, what should we eat?” One friend is great at finding restaurants, another is the human GPS, and someone else always volunteers to split the bill. Depending on the situation, the right person steps in. (Granted, in real life, it’s usually just one poor soul stuck doing everything.) That’s the core idea behind Mixture of Experts (MoE). Instead of one massive model trying to handle every task, you keep a roster of experts and call the right ones when needed. As soon as ChatGPT exploded in popularity, the race to build bigger and bigger models took off. GPT-3’s 175 billion parameters grabbed headlines, so Google countered with Switch Transformer (1.6 trillion paramete…  ( 9 min )

What is Zero-Knowledge Proof: Complete Guide to ZKPs, zk-SNARKs, and zk-STARKs Zero-knowledge proofs (ZKPs) represent one of the most revolutionary cryptographic innovations of our time, fundamentally changing how we approach privacy, security, and trust in digital systems. These powerful mathematical protocols enable one party to prove knowledge of specific information to another party without revealing the actual information itself—a concept that seems paradoxical but has profound implications for blockchain technology, digital identity, and data privacy. Understanding Zero-Knowledge Proofs A zero-knowledge proof is a cryptographic method that allows multiple parties to verify a statement's truth without revealing information beyond the statement itself. Zero-knowledge proofs (ZKPs) are…  ( 10 min )

🌍 Summary APIs are everywhere — they power mobile apps, web services, and cloud-native systems. But APIs are also one of the most common attack surfaces in modern software. The OWASP API Security Top 10 (2021) is a developer-focused guide that explains the most critical API security risks. 👉 In this blog, we will: ✅ Go through each of the 10 risks (A01–A10) 🔍 Explain what they mean in developer terms 🛑 Show real-world scenarios and how attacks happen 🛠️ Outline solutions across multiple layers (code, infra, design) 💻 Provide Java (Spring Boot) and AWS examples 🧩 Highlight design patterns that help mitigate risks 📚 Share lessons from real incidents 🎯 The goal is simple: Help developers design and build secure APIs without slowing down delivery. The Open Web Application Secu…  ( 18 min )

Tired of complicated compilation？Integrate AeroFFmpeg with one click to make Android audio and video development easier! Preface As an Android developer, have you ever needed to implement audio and video features in your project, but been put off by FFmpeg's complex compilation process? To use FFmpeg on Android, you need to: Download the FFmpeg source code, possibly including various dependent libraries. Configure a complex cross-compilation environment, such as the NDK and compiler. Write lengthy compilation scripts to handle compatibility issues with different CPU architectures and operating systems. Have to start all over again with every FFmpeg version update. This process can be a nightmare, time-consuming and labor-intensive, and prone to errors if you're not careful! Th…  ( 9 min )

Things to do when bored for working professionals on a budget Things to Do When Bored for Working Professionals on a Budget Introduction In the fast-paced world of a working professional, moments of boredom can strike unexpectedly—whether during a lunch break, after a long day at the office, or over a quiet weekend. While it might be tempting to splurge on expensive outings or subscriptions to fill the time, budget constraints often call for creativity rather than cash. The good news is that there are countless engaging, fulfilling, and cost-effective activities that can turn idle moments into opportunities for growth, relaxation, and fun. This article explores a variety of practical and enjoyable things to do when bored, specifically tailored for working professionals who want to ma…  ( 9 min )

What is Node.js? Node.js is an open-source JavaScript runtime environment that allows you to develop scalable web applications (accessible on the internet, without requiring installation on the user's device). This environment is built on top of Google Chrome’s JavaScript Engine V8. It uses an event-driven(waits for things to happen and then reacts to them), non-blocking I/O model(sends I/O requests and continuously does other work, notified when done), making it lightweight, more efficient, and perfect for data-intensive real-time applications running across shared devices. Runs on the side stack (callback queue/microtask queue). The main thread does not wait, async operations run in the background, and their callbacks execute later. Example: const fs = require('fs'); fs.readFile('f…  ( 8 min )

Loop is my pet project. Pet projects are sandboxes where any sandcastles can be built with the fastest iteration cycle. I've needed my personal data warehouse dedicated to learning for a long time, and decided to start with the following idea: I have Garmin watches and I'm tracking time spent on work, pet projects, learning new things, and gaming So let's collect, model, and transform this data in a data warehouse built from scratch Then let's build some dashboards on top of this data These are examples of questions on which I want to get the answers from time to time: How much time did I spend by day/week/month working, learning, or gaming? How many workouts did I have by day/week/month? When did I first start to workout? How consistent am I? What are my median/average bedtime and wake-up…  ( 11 min )

Introducing TLML – My Own Lightweight Markup Language 🚀 Hey everyone! 👋 So, what’s TLML? Some cool things about TLML: Simple syntax for headings, lists, tables, and formatting. Supports media like images, audio, and video. Color and style options built-in. Exports into multiple formats (HTML is ready, more are on the way!). Why did I make it? 🔗 You can check it out here: GitHub – https://github.com/turboatifa/turbo-lightweight-markup-language-tlml- This is just the beginning — I’ll be sharing more updates and improvements soon. Would love to hear your thoughts, feedback, or ideas! 💡  ( 6 min )

Note : Here are my two tutorials on Android Concurrency Model. Please have a look at these: When an Android application is launched, the Android system creates a thread of execution for the application. This is known as the main thread. This is also known as the UI thread because all the android widgets used for this application run in the context of this main thread. Every UI thread will have its own looper by default which in association with a Message Queue is responsible for dispatching the user interface events to the appropriate widgets. This has been depicted in the following diagram: We need to arrange our application components so that the UI thread always remains responsive. Hence we cannot do a long running task like connecting to a network server and downloading a …  ( 7 min )

Replication & High Availability 🔹 What is Replication? Replication is the process of copying data from one database server (the primary) to one or more other servers (replicas/secondaries). The primary (or master) handles writes (INSERT, UPDATE, DELETE). The replicas (or slaves, followers, standbys) receive these changes and apply them. This ensures multiple copies of the same data exist across servers. 👉 Think of it like keeping photocopies of your important notebook in multiple places — if one is lost, you still have backups. Synchronous Replication Writes on the primary are confirmed only after replicas also confirm they’ve written the change. Ensures no data loss but can slow down performance (since it waits). Example: PostgreSQL synchronous replication. Asynchronous Rep…  ( 8 min )

Things to do when bored for travelers during a commute Things to Do When Bored for Travelers During a Commute Introduction Whether you’re on a train winding through the countryside, a bus navigating city streets, or a flight soaring above the clouds, commuting is an inevitable part of travel. While these moments of transit can sometimes feel like wasted time, they also offer a unique opportunity to engage, reflect, and even have a little fun. For travelers, a commute doesn’t have to be a dull interlude between destinations—it can be a chance to enrich your journey. If you’ve ever found yourself staring out the window, wondering how to pass the time, this article is for you. Here, we explore a variety of engaging and practical things to do when bored during your commute, ensuring eve…  ( 9 min )

Python Numbers: Your Ultimate Guide to Integers, Floats, and Complex Numbers Welcome, future coders and seasoned developers! If you're embarking on your programming journey, you've quickly realized that everything in the digital world boils down to data. And at the very heart of that data, you'll find numbers. Whether it's counting user likes, calculating complex scientific formulas, or determining the position of a character on a screen, numbers are the fundamental building blocks of any software application. In Python, a language renowned for its simplicity and power, handling numbers is incredibly intuitive. But don't let that simplicity fool you. Beneath the surface lies a robust and nuanced system for numeric computation. Understanding these nuances is what separates a beginner from…  ( 12 min )

Python Variables: Your Ultimate Guide to Storing Data and Building Code Welcome, future coders! If you're taking your first steps into the incredible world of Python programming, you've undoubtedly encountered the term "variable." It’s one of those fundamental concepts that forms the very bedrock of writing code, not just in Python, but in every programming language out there. But what exactly are variables? Why are they so crucial? And how can you use them effectively to write clean, powerful, and efficient Python code? This comprehensive guide is designed to answer all those questions and more. We'll move from the absolute basics to some more nuanced concepts, all while keeping things engaging and practical. We'll use real-world analogies, write plenty of code examples, and discuss bes…  ( 14 min )

It's rightly said that when someone teaches another person, actually two people learn. Here goes my contribution on Teacher's day. Happy Teacher's day to all the Gurus of the Universe. Here we go... Rust is primarily known for System programming. However, with growing popularity, eventually may be UI based application will be developed using Rust. Rust's UI libraries are still maturing in comparison to C++ (QT) and other languages, however, it's inbuilt memory safety issue may force global companies to consider Rust for UI based mission critical system like SCADA HMI and similar application areas. Memory Safety : Rust's ownership model and memory safety features make it excellent for avoiding memory-related bugs, which is crucial for large-scale UI applications. Performance : Rust's perfo…  ( 7 min )

Python Comments: The Ultimate Guide to Writing Clean, Effective Code You’ve done it. You’ve finally cracked it. After hours of intense focus, the complex algorithm works, the data is parsed perfectly, and your application runs without a hitch. You feel like a coding wizard. You close your laptop, satisfied. Fast forward two weeks. You need to add a new feature to that same piece of code. You open the file... and it’s like staring at ancient hieroglyphics. What does this nested loop do again? Why did you use a dictionary comprehension here? What on earth is the calculate_entropy() function supposed to return? We’ve all been there. Code is read far more often than it is written. And the single most powerful tool to bridge the gap between the code you write today and the developer (includin…  ( 12 min )

Introduction Testing React components is essential to ensure your app is reliable, maintainable, and bug-free 🚀. With front-end apps getting more complex, proper testing ensures components behave consistently across pages and devices. In this guide, we’ll cover best practices for testing React components in 2025, step by step. Catch bugs early → Prevent errors in production Ensure consistency → Components behave the same across the app Improve refactoring confidence → Make changes safely Facilitate team collaboration → Documented tests serve as live examples Jest → JavaScript testing framework React Testing Library → Focused on testing components like users interact with them Cypress → End-to-end testing for interactive UI Storybook + Chromatic → Visual regression testing Start by testi…  ( 9 min )

Things to do when bored for seniors without internet Rediscovering Joy: Things to Do When Bored for Seniors Without Internet In a world increasingly dominated by screens and digital connectivity, it’s easy to forget the simple, timeless pleasures that can fill our days with purpose and joy. For seniors, especially those without internet access, moments of boredom can sometimes feel isolating or unproductive. However, this lack of digital distraction opens the door to a wealth of meaningful, engaging, and fulfilling activities that can enrich daily life. Whether you’re looking to stimulate your mind, nurture your creativity, or simply enjoy the present moment, there are countless ways to transform idle time into opportunities for growth and connection. This article explores a variety o…  ( 9 min )

This chapter will take you from installing MongoDB to integrating it into Spring Boot, explain the differences between JPA/ORM and document databases, cover relationships with @DBRef, transactions, ResponseEntity best-practices, Lombok, and connecting to Atlas. Like Chapter 1, I’ll keep explanations concrete and include copy-pasteable code. Java 17+ (LTS) Spring Boot 3.x (or newer) Maven (or Gradle) Basic command-line comfort and an editor/IDE (IntelliJ recommended) Use the MongoDB official docs for the most up-to-date platform-specific instructions. The official installation guides are authoritative and kept current. Install Homebrew (if you don’t have it). Tap the official MongoDB Homebrew repo and install the community server: brew tap mongodb/brew brew update brew install mongodb-c…  ( 12 min )

Imagine a world where instead of trusting a centralized database, every record you access is validated, immutable, and visible to all. Sounds futuristic? That’s what blockchain promises—but is it really a practical alternative to traditional databases like MySQL, PostgreSQL, or MongoDB? Let’s break it down. Immutability: Once data is stored, it can’t be altered. Perfect for financial records or audit logs. Transparency: Everyone in the network sees the same version of the truth. Decentralization: No single point of failure. Data isn’t controlled by one authority. Security: Transactions are cryptographically verified, making tampering extremely difficult. Performance Issues: Traditional databases handle thousands of transactions per second. Blockchain, especially public blockchains, are f…  ( 7 min )

Async Work Patterns: How to 10x Team Output Across Time Zones Pratham naik for Teamcamp ・ Sep 20 #webdev #productivity #devops #learning  ( 6 min )

Everyone's talking about the Claude vs ChatGPT upgrade race. They're missing the real opportunity. Here's what smart companies do ↓ right now Feature lists are loud. Outcomes are quiet. The real question is not which bot is smarter. It is which one makes you money faster. The gap between models is shrinking. The gap in workflows is huge. Winners design for jobs, not hype. You do not need a forever choice. You need the right model per task. Standardize prompts, context, and data rules. Track cost per task, latency, and accuracy weekly. Train teams on when to use which tool. Last month, a 120 person SaaS team ran a 2 week bake off. Sales used web research and quote drafting. Support used summarization and retrieval. Claude won research depth by 14%. ChatGPT beat response speed by 22%. A simple router picked the best per task. Results: 31% faster proposals, 18% fewer tickets waiting, 22 hours saved per week. Tool spend rose 9%, but cost per task fell 12% in 30 days. ↓ A simple playbook to test in 14 days. ↳ List your top five recurring tasks by time spent. ↳ Define success metrics per task: speed, cost, quality. ↳ Pilot both tools on real data with guardrails and logs. ↳ Route tasks to the winner and document the SOP. ↳ Review weekly and retrain prompts or switch if metrics slip. This shifts the debate from features to money. It turns AI from a toy into a system. Pick outcomes over allegiances. Which approach works best for you?  ( 6 min )

Title: Custom Parser Highlighting Not Working in nvim-treesitter? The Cause and a Solution Using the after/ Directory TL;DR If highlights for your custom tree-sitter parser aren't applying in Neovim, it's likely because nvim-treesitter isn't loading the highlight queries from your repository. You can solve this by placing your highlight definitions in an after/queries/{filetype}/ directory and loading the parser repository itself as a plugin. Introduction To make developing for Unreal Engine in Neovim more comfortable, I created a custom tree-sitter parser, tree-sitter-unreal-cpp, to support UE-specific macros like UCLASS and UPROPERTY. Creating and testing the parser went smoothly, but when I tried to integrate it with nvim-treesitter, I ran into a problem where the syntax highlig…  ( 8 min )

Introduction: Why Website Speed is a Developer’s Responsibility In today’s digital world, website visitors expect pages to load within seconds. If a site takes too long, they bounce — and in many cases, never return. According to Google research, 53% of mobile users abandon a website that takes longer than 3 seconds to load. This doesn’t just hurt user experience; it also impacts revenue, brand reputation, and search engine rankings. For developers, that means one thing: performance optimization is not optional. Whether you’re building a landing page, an eCommerce platform, or a SaaS app, speed is critical. One of the most effective and simplest ways to improve page performance is through code minification. By minifying your HTML, CSS, and JavaScript files, you strip away unnecessary cha…  ( 9 min )

It is a compulsory financial charge or levy imposed by a government on individuals, businesses, or other entities to fund public services and government activities. These are paid directly by individuals or entities to the government It is a tax levied by the Government of India on the income earned by individuals, firms, companies, and other entities during a financial year. Tax Year: April 1 to March 31 (financial year) It is a state-level tax levied on individuals earning an income from salary, business, or profession. It is governed by state laws, and the tax amount varies from state to state. The maximum professional tax payable per year is ₹2,500 (as per Article 276 of the Constitution). It is levied on companies on their net profit. It is a tax collected by the government at the s…  ( 10 min )

When I first heard about hackathons, I honestly thought they were only for “pro coders” who already knew everything. At that time, I was just starting out with JavaScript—barely scratching the surface—and the idea of building a full project in such a short time felt way out of my league. Still, something in me said, “Why not just try?” So, with a mix of excitement and nervousness, I signed up for my very first hackathon. Walking into the event, I felt completely out of place. Everyone around me seemed so skilled—they were talking about frameworks, APIs, and design tools I had never even heard of. But soon, I realized that hackathons are not about doing everything yourself. They’re about working with a team. I got the chance to meet people with different skills—some were amazing at design, …  ( 7 min )

Ever joined a codebase and spent hours just trying to figure out what talks to what? Or asked a teammate how something works, only to get a 20-minute Slack voice note that left you more confused than before? Yeah — documentation matters. And not just the README.md kind. That’s where a technical writer comes in. More Than Just "Making Things Pretty" Most engineering teams don’t realise they need a technical writer until it’s too late — onboarding is painful, tribal knowledge is leaking, and no one really knows how the system works anymore. The truth? A good technical writer doesn’t just “write docs.” They reduce friction, amplify developer velocity, and preserve your team’s collective brain. In this post, I want to share why every engineering team — even small ones — can benefit from having…  ( 8 min )

At 3 AM in a San Francisco startup, a developer named Alex stares at two screens. On the left, Windsurf's autonomous agent is building an entire authentication system from a single paragraph of specifications. On the right, their colleague Sarah uses Cursor's augmented assistance to carefully craft the same feature, AI suggestions flowing like a conversation between old friends. They're building the same product, but their minds are travelling different evolutionary paths. This scene, replicated across thousands of development teams worldwide, represents more than a choice of tools; it's a fork in the cognitive evolution of our species. The numbers tell part of the story: GitHub Copilot has crossed 20 million users by July 2025, with 90% of Fortune 100 companies now dependent on AI-assiste…  ( 25 min )

Feeling Stressed and Strong Totally, contributing to a different project was a valuable experience. That was a big milestone that i took today by writing an understandable code. When I started my programming journey I was thinking the best code is which compiles but in reality No. Because communication is the key, writing meaningful comments and making your code speak for itself is highly important. Setting up my groupmate's project was the first challenge that faced, but wait that was just the beginning. my groupmate and I started communicating and I gave instructions about dependencies that i have in my program which are related to packager and libgit2. Then thanks to God, my groupmate set up my project and the next step was to writing code. When i first checked out the code i tri…  ( 7 min )

From Learner to Leader: How Charles “CT” Tyler Turned 101 Blockchains into a Personal Launchpad for Blockchain Education Charles “CT” Tyler, an educator and innovator in blockchain and crypto, built a standout learning journey with 101 Blockchains. His story shows how deep, practical training can translate into real-world impact—from a personal badge of credibility to creating a brand and framework that helps others understand blockchain more clearly. Overview: A Remarkable Certification Journey CT’s pursuit of blockchain mastery culminated in an extraordinary tally: 190 certifications across 101 Blockchains programs. Early on, he earned 13 certifications that laid the foundation for his ongoing growth. This combination of breadth and depth highlights a commitment to turning complex techno…  ( 8 min )

TL;DR Finch heads to Worcester Golf & CC—the very first Ryder Cup course—to see what makes those historic fairways so special. He shares his on-course impressions, some tips, and a bit of golf-course nostalgia. He’s also teaming up with Huel for a £10 discount on orders over £60 (code PETERHUEL) and drops links to all his go-to gear and apparel (with extra discounts) via his Linktree. Watch on YouTube  ( 6 min )

When working on embedded single board computer (SBC) projects, engineers often spend a lot of time optimizing CPU performance, memory allocation, or kernel-level drivers. Yet one element that directly shapes user experience—the display interface—is sometimes overlooked. Among the display technologies available, optical bonding has emerged as a critical factor in ensuring reliability, clarity, and durability for SBC-driven systems. In this article, we’ll explore why optical bonding is essential in embedded SBC projects, compare it to traditional bonding methods, and highlight real-world applications. Optical bonding is a process where a transparent adhesive (such as silicone or resin) is used to eliminate the air gap between the LCD display and the cover glass or touchscreen. The result…  ( 8 min )

Fala galera! Através desse simples artigo eu vou ensinar como criamos API RESTful básica, mas utilizando o nosso bom e velho PHP e a ajuda do maravilhoso framework CodeIgniter 4. Então inspirado na Chuck Norris API e no humorista brasileiro Leo Lins, resolvi criar essa API com piadas e de humor negro brasileiro. Vou tentar ser o mais prático possível, sem enrolação. API RESTful com 5 endpoints que funcionam de verdade Arquitetura MVC bem organizada (sem gambiarras!) Base de dados JSON com mais de 1000 piadas Validações e tratamento de erros Código limpo que você vai conseguir manter PHP básico (orientação a objetos ajuda) Conceitos de API REST (GET, POST, JSON...) CodeIgniter 4 (vou explicar tudo, mas é bom ter uma noção) Um servidor local (Docker, XAMPP ou WAMP) Olha, o CodeIgniter 4 j…  ( 15 min )

When developers ask for help from ChatGPT or other LLMs, they usually struggle to share their code effectively. Copy-pasting individual files loses important context: the project structure, related files, and the big picture. Repo-Contextor solves this problem by scanning a local Git repository and producing a well-structured text file with the repository’s contents. This file can then be shared with an LLM for debugging, explanation, or collaboration. Repo-Contextor is written in Python, structured as a CLI tool. The repo is organized under src/rcpack/ with separate modules for: cli.py – command-line interface using click. discover.py – logic to walk the file system and collect files. gitinfo.py – gathers repository metadata. treeview.py – builds the project tree structure. renderers/ – handles output formats (Markdown, JSON/YAML). This modular design makes it easier to add features in future releases. Working on Release 0.1 taught me a lot about: 1.Project structure: How to lay out a Python CLI tool using pyproject.toml and src/ layout. Why separating concerns into modules makes code more maintainable. 2.Git and GitHub workflows How to set up a new repository properly (with README, LICENSE, etc.). How to manage issues, commits, and releases in GitHub. Packaging for LLMs The challenges of providing enough context without overwhelming the model. Why tree views and filtered file outputs are more useful than raw dumps. In challenges, I faced merging issues, lots of conflict as well as some basic issues such as .vscode/ and rcpack.egg_info/ got checked in and had to re-read some basics of removing it while dealing with multiple folders.  ( 6 min )

Quality Assurance used to be slow, repetitive, and resource-heavy. Now? AI agents are flipping the script. But this isn’t just a win-win story. These tools bring new risks, from brittle dependencies to false positives and depending too much on them can backfire. So, is this the golden age of QA, or are we heading into a minefield? AI is Speeding Up QA — Fast Take GitHub Copilot, for example. Originally designed to boost developer productivity, it’s also quietly revolutionizing test creation. Copilot can suggest entire unit tests based on your code — reducing the time engineers spend writing them manually. Add to that specialized tools like Testim and Mabl, which can generate UI tests automatically by observing user behavior. But the real kicker? Defect prediction. Platforms like Microsoft’…  ( 7 min )

It's been 3 weeks and the word open-source and to practice has become part of my life. I have taken a short step towards it by contributing in my peer's repository share-my-repo, where I added a feature. As everybody says every step count so this is out of the whole journey. issue requesting to add the feature into it. Once the issue was filed, I forked the repo, cloned it locally, and created a new branch: git checkout -b issue-X Then, In cli.py, I added a new --recent/-r flag using the existing click options. This was straightforward once I understood how the CLI arguments were being handled. The main technical challenge was in file_processor.py is_recent(file, days=7) helper function that checks the file’s last modified timestamp with Python’s os.stat().st_mtime. The logic works by comparing the file’s modification time to the current time (via time.time()), and converting the difference into days. If the difference is less than or equal to 7, the file is considered “recent.” Edge cases included: Non-existent files → handled with a try/except FileNotFoundError. Empty repositories → the function returns an empty list gracefully. Finally, in formatter.py, I added a new section "## Recent Changes". This section outputs each recent file along with how many days ago it was modified. `Example: ## Recent Changes - src/main.py (modified 2 days ago) - README.md (modified 5 days ago)` I updated the README.md to explain the new flag, its usage, and examples.  ( 6 min )

First, I need to start with a title. It should be clear and engaging. Maybe something like "Unlocking the Power of Vector Databases and AI Search: A Comprehensive Guide." The intro should be short, 2-3 lines, introducing the topic and its importance in the AI and data science landscape. Next, I need to break the blog into sections with subheadings. Each section should have at least 5-6 bullet points. I'll start by explaining what vector databases are, their key features, and use cases. Then, I'll do the same for AI search engines. I should include a comparison table between two popular tools, but wait, the user mentioned Spark vs Flink. Hmm, but the main topic is vector databases and AI search. Maybe I need to clarify that. Perhaps they meant to compare vector databases or AI search tools.…  ( 11 min )

Alors que Bitcoin et Ethereum dominent les discussions autour des cryptomonnaies, une autre catégorie attire de plus en plus d’attention : les stablecoins. Ces jetons numériques, indexés sur une monnaie fiduciaire comme l’euro ou le dollar, représentent déjà des milliards de dollars en circulation. Mais sont-ils destinés à devenir la norme pour nos paiements quotidiens ? 1. La promesse des stablecoins Les stablecoins répondent à un problème majeur des cryptos : la volatilité. Leur valeur stable en fait un outil idéal pour : envoyer de l’argent à l’international rapidement et à faible coût, réaliser des paiements en ligne sans passer par un réseau bancaire, servir de “cash numérique” dans la DeFi. 2. Les chiffres qui parlent Selon plusieurs rapports, les stablecoins représentent déjà plus de 10 % de la capitalisation totale du marché crypto. Leur adoption explose notamment dans les pays émergents, où ils servent d’alternative à des monnaies locales instables. 3. Les limites actuelles Malgré leur potentiel, les stablecoins font face à plusieurs défis : Régulation : certains gouvernements hésitent encore à les encadrer clairement. Confiance : tous les stablecoins n’ont pas le même niveau de transparence (ex : réserves de Tether). Adoption : les commerçants restent prudents face à un outil encore méconnu du grand public. 4. Les solutions hybrides : le pont entre crypto et fiat De plus en plus de services cherchent à simplifier l’accès aux stablecoins et leur utilisation. Par exemple, MoonPay 5. Vers un futur dominé par les stablecoins ? Avec l’arrivée des CBDC (monnaies numériques de banque centrale), il est possible que les stablecoins privés et publics coexistent dans les prochaines années. La tendance est claire : les paiements numériques s’éloignent des cartes bancaires traditionnelles pour se rapprocher des solutions blockchain. Conclusion La vraie question n’est pas de savoir s’ils remplaceront totalement les cartes bancaires, mais à quelle vitesse ils deviendront une habitude pour des millions de personnes.  ( 7 min )

0. Introduction React Hooks are a way to manage state and lifecycle without classes (since 16.8). Simpler than class syntax Easier to reuse logic (custom hooks) Easier to test 👉 Goals of this article: Beginners: Use useState / useEffect correctly Intermediate: Understand render/commit, stale closures, and re-renders caused by function props to make sound design decisions Render: React calls your component function to produce virtual DOM. Commit: The diff is applied to the real DOM. 👉 The component function is invoked by React itself—internally as part of the lifecycle, not by your code directly. const [user, setUser] = useState({ name: "Taro", age: 20 }); // ❌ setUser replaces the whole state setUser({ age: 21 }); // => { age: 21 } (name is gone) // ✅ Spread to keep the rest setUser(…  ( 9 min )

This time, I practiced contributing to another student’s repository by adding a new feature and submitting a Pull Request. This was my first time doing a full open source style workflow, and it gave me a good sense of how collaboration works on GitHub. The feature I implemented was the Recent Changes Filter. The idea of this feature is when running the tool with a --recent or -r flag, it should only include files that were modified within the last 7 days. This makes the output more focused on current development instead of the whole project. To achieve this feature, I Added a new CLI flag (--recent / -r) using Commander, with an optional number argument (e.g., -r 3). Check the file’s last modified time with Node’s fs.statSync(file).mtime. Filter the list of discovered files to only keep th…  ( 7 min )

A post by DenisC  ( 5 min )

My dad was a software engineer for 50 years. He once told me, "every ten years the software industry fundamentally shifts. Some people adapt and start making more money, but there's always jobs available for those that don't want to adapt." In his career, he saw this many times. It's happened to me as well. When I entered the software industry, my company was one of the last to migrate from a data center to the cloud. My role quickly shifted from throwing things over the wall to ops to taking care of ops myself. We still had ops people in our company, but fewer than we would have 10 years prior. The devops movement, which I see as a collapse of the roles of "dev" and "ops," is mirrored in the more subtle collapse of "dev" and "qa." In my most recent two roles, there are no manual qa peopl…  ( 7 min )

First, I know both are related to big data processing. I've heard Spark is older and more established, while Flink is newer. But I'm not exactly sure how they compare in terms of processing models. I think Spark uses batch processing, but I'm not certain. Flink, on the other hand, might be more focused on streaming. I should verify that. I remember reading that Spark can handle both batch and streaming, but maybe Flink is more optimized for real-time. That could be a key point. I need to explain this in a way that's easy to understand, maybe using analogies like processing letters (batch) vs. a continuous stream of letters (streaming). Next, I should consider use cases. Where would someone use Spark, and where would Flink be better? Maybe Spark for machine learning or ETL processes, and Fl…  ( 11 min )

At some point in the lifecycle of any application, log management becomes essential. Ideally, teams should start monitoring logs as early as possible, but in practice, logs often get deprioritized until a real problem arises. While cloud providers like AWS CloudWatch or Google Cloud Logging (Cloud Run) offer built-in solutions, they are not always the most convenient or cost-efficient tools for deeper log analysis. Another challenge is sharing access. If you want another team—such as support, security, or compliance—to review logs, are you really going to grant them AWS or GCP access? That introduces unnecessary risk, since cloud environments contain sensitive resources beyond just logs. So, the question becomes: how do we handle logs efficiently, securely, and cost-effectively? Most log m…  ( 8 min )

When it comes to building modern web applications, two names always dominate the discussion — Angular and React. Both are powerful, widely adopted, and backed by tech giants (Google for Angular, Meta for React). But if you’re starting a new project in 2025, the question remains: Angular vs React — which one should you choose? In this blog, we’ll dive deep into the history, features, performance, community, and future of Angular and React so you can make a smarter choice for your career or project. 🌱 A Quick History Angular was first released in 2010 as AngularJS, but in 2016 Google completely rewrote it as Angular 2+, a TypeScript-based framework. Since then, Angular has continued to evolve with regular updates every six months. React was released by Facebook (Meta) in 2013 to solve perfo…  ( 8 min )

Check out this Pen I made!  ( 5 min )

Check out this Pen I made!  ( 5 min )

Greetings from Japan. ‘Our company is also looking to boost operational efficiency through generative AI...’ the term “generative AI” is far too vague, leaving us overwhelmed by the sheer number of choices for what exactly to optimise. Or rather, whenever I see a seminar title like ‘Boost Business Efficiency with Generative AI!’, from a personal perspective I find myself thinking: ‘Which generative AI?’ and ‘What exactly is the goal of boosting efficiency in the first place?’ ChatGPT, Midjourney, Stable Diffusion, GitHub Copilot, Gemini... and the list keeps growing day and night. All of these are broadly categorised under the umbrella term “generative AI”, yet their technical stacks, performance characteristics, and application domains differ significantly. This article presents my person…  ( 16 min )

Salesforce Agentforce is designed to enable AI-driven agents that can understand business contexts, automate processes, and deliver intelligent customer experiences. At the core of this intelligence lies the Atlas Reasoning Engine, the decision-making layer that empowers Agentforce to reason, act, and adapt within enterprise workflows. In this article, we’ll explore what the Atlas Reasoning Engine is, why it’s essential in Agentforce, and how businesses can leverage it to achieve smarter automation. The Atlas Reasoning Engine is the AI reasoning framework behind Salesforce Agentforce. Unlike traditional automation that relies on predefined rules, Atlas allows agents to: Interpret complex business contexts (e.g., customer intent, process requirements). **Select the right action **from multi…  ( 8 min )

Intro Recently, I started using Claude Code (terminal type AI coding agent tool by Anthoropic). I am using "Pro plan" which has a token limit every 5 hours. Claude Code always reaches the token limit right in the middle of a difficult coding task.🤯 So, my journey to use AI more efficiently started.🚀 I found that SuperClaude and Serena looked good for this purpose. I wanted to use it for free, but both are OSS and met my needs.🤑 Finally, I choose Serena because SuperClaude uses Serena inside, so I thought Serena was the more essential system to learn first. OK, let's look at what Serena can do.🔍 Serena is a coding agent toolkit that provides semantic code retrieval and editing tools. https://github.com/oraios/serena Serena can not only save tokens but also speed up AI responses and im…  ( 15 min )

In the sprawling digital landscape of modern music, where 120,000 new tracks flood streaming platforms daily, a curious paradox has emerged. While technology promised to democratise music distribution, eliminating the traditional gatekeepers of the industry, Spotify's implementation of a 1,000-stream minimum threshold in April 2024 has erected new barriers that fundamentally reshape how independent artists navigate the streaming economy. This policy, affecting an estimated 87 per cent of all tracks on the platform, represents more than a simple accounting adjustment; it signals a profound restructuring of the digital music ecosystem that ripples through every corner of the independent music community. The numbers tell a stark story. According to analysis by Disc Makers CEO Tony van Veen ba…  ( 21 min )

The Adversarial Developer: Building Security Through Attacker Thinking Security isn't just about firewalls and incident response anymore. The most effective defense happens during development, when developers think like attackers from the first line of code. Most computer science graduates excel at building software but lack crucial adversarial thinking skills. They know algorithms and frameworks but haven't spent time considering how an attacker might exploit their authentication system or chain together seemingly innocent features into a security breach. This creates a dangerous disconnect: security teams understand threats but often lack deep development knowledge, while developers can build complex systems but rarely think about how they might be systematically compromised. Adversari…  ( 9 min )

Are you the kind of person who keeps Device Manager open just to check which serial (COM) port your board decided to grab this time? Yeah… that used to be me. As a firmware engineer, plugging in boards and chasing COM numbers was part of the daily grind—and honestly, pretty boring. I built a tiny Windows app that instantly lists every connected serial port along with all the juicy details: COM number USB VID:PID Device Serial info Just launch the app and boom—everything’s right there. Need to refresh after a hardware change? Hit the keyboard shortcut and you’re done. Python + Kivy framework Packaged for Windows 7/8/10/11 🚀 Try It Out 🔗 Download: [https://tinkererway.dev/serialspotter] 💻 Source Code: [https://github.com/tinkererway/serialspotter] Because life’s too short to keep staring at Device Manager. 😉  ( 6 min )

Following my previous blogs, I released version 0.0.1 of the Repository Context Packager. Full and summary output modes (summary is 85% smaller) Token estimation for LLM context management Smart file filtering (excludes node_modules, lock files) Multi-language support David Humphrey fixed the installation instructions in the README. Simple but important - documentation matters. David Rivera added the recent file filter feature. Now you can use --recent [days] to only include files modified within a specified timeframe. Defaults to 7 days if no number provided. This is useful when you want to focus on recent changes rather than the entire codebase. npm start . --recent 3 # Files from last 3 days npm start . --recent # Files from last 7 days (default) The recent filter works by checking file modification times against a cutoff date. It filters files during the collection phase, so it's efficient even on large repositories. Added proper error handling for the recent flag - validates that the input is a positive number and provides clear error messages. git clone https://github.com/abdulgafar4/repo-context-packager.git cd repo-context-packager npm install npm run build npm start . # Package current directory npm start . --summary # Summary mode npm start . --recent 5 # Recent files only npm start . --tokens --max-tokens 50000 # With token limits This release establishes a solid foundation for the tool with useful community-driven features. As always, the tool is open source, so grab it and see if it's useful. Add issues, solve issues, and add features. And if you build something cool to scratch your own itch, let me know - I'm always curious what problems other developers are solving. GitHub: Repo-Context-Packager.  ( 6 min )

Hello dev.to community! 👋 Yesterday, I explored GitHub Actions, GitHub’s native CI/CD tool that makes automation seamless. 🔹 Why Docker Matters ✅ Consistent environment across dev, test, and prod 🧠 Core Concepts in Docker Image → Blueprint of your application (built using a Dockerfile) Container → Running instance of an image Dockerfile → Instructions to build an image Registry → Storage for images (Docker Hub, ECR, GCR) Volume → Persistent storage for containers Network → Communication between containers 🔧 Example: Simple Dockerfile FROM node:18 WORKDIR /app COPY package*.json ./ COPY . . EXPOSE 3000 CMD ["npm", "start"] 👉 Build and run it: docker build -t myapp . 🛠️ DevOps Use Cases Package applications for CI/CD pipelines Deploy microservices on Kubernetes or ECS Create reproducible environments for testing Run security scans (e.g., Trivy) on container images ⚡ Pro Tips Keep images small → use slim/alpine base images Use .dockerignore to avoid unnecessary files in builds Tag images properly (e.g., myapp:v1.0.0) Scan images for vulnerabilities before pushing to registry 🧪 Hands-on Mini-Lab (Try this!) 🎯 Key Takeaway 🔜 Tomorrow (Day 21): 🔖 #Docker #DevOps #Containers #Automation #SRE  ( 7 min )

This article was originally published on Medium. You can read it here. In the "Untangling Android Navigation" series (Starter GitHub code), we built a healthy, single-module app using Jetpack Compose, Hilt, Paging, nested navigation, and deep links. That’s great for learning — but large production apps eventually need modularization to scale builds, teams, and features. In part 1 of this article, we are going to focus on The blueprint: a clear thought process, a high-level plan, and a safe step-by-step migration order so you (and your team) can modularize with confidence Implement convention plugins to manage Gradle build logic Implement feature_bookmarks module Why Modularize? Benefits: ⚡ Build performance → Recompile only what changed; faster local builds & CI. 👥 …  ( 20 min )

This week, I had the opportunity to contribute to another student’s project on GitHub. It was my first time making a meaningful code change in someone else’s repository, and the process gave me valuable insight into collaboration, version control, and technical problem-solving. I selected Repo-Contextor as the project I wanted to contribute to. The first step was to fork the repository and clone it to my local machine. Once I had the code locally, I explored the structure to understand how the project worked and where my feature should be implemented. I introduced a new command-line flag --recent (or -r) that filters and includes only files modified within the last 7 days. This feature helps users quickly focus on the most recent changes in their repositories instead of going through all f…  ( 7 min )

My initial idea for this blog was to advise on how to navigate large codebases; however, in the blog's coming weeks, when I start contributing to meaningful projects, either that I already know or where I'll do my first contribution, perhaps I'll definitely have that inspiration. I'll keep this one short this time. I undertook the task of implementing the --recent specified in lab 2 flag in Abdulgafar's repo. I have to give props to him, considering how simple it was to navigate his code. I overall found most of it very well written and kept stuff relatively simple and easy to understand for a first-time contributor to that project. I also received a PR in my repo. I'm very impressed by the quality of the code provided by Parker in that PR, especially considering the relative sophistication I had introduced in certain parts of the code, and all things considered, hell, there was also a CI/CD pipeline aspect involved as well as adding regression tests in the whole process. So at the end props to him as well. Now that Parker has been exposed to that process, I believe I might need to relax some of the testing infrastructure I'm currently enforcing. This is obviously not something you'd do if you were deploying this app to production; however, when adding a new feature, there are certainly some things that need significant changes in the tests themselves. The main goal of that is to reduce the friction for other developers to contribute at the end.  ( 6 min )

Sonic Racing: CrossWorlds Review Summary Jada Griffin’s PS5 review (also on Switch, Xbox Series X|S, and PC) raves about a 24-character roster, top-tier track design, and a generational soundtrack. The racing feels lightning-fast and intuitive, with a deep stat-tweaking system that lets you fine-tune your preferred playstyle and the clever Crossworld mechanic keeps each race feeling fresh. There are plenty of modes to keep you and your friends entertained for hours—though an online splitscreen option would’ve been nice—and the game has already claimed its title as the reviewer’s new favorite kart racer. Watch on YouTube  ( 6 min )

In recent years, supply chain attacks have emerged as one of the most critical threats facing software development and deployment. As organizations increasingly rely on third-party dependencies, the risk of vulnerabilities introduced through these components grows exponentially. Enter Obsidian, a robust framework designed to mitigate these risks by adopting the "less is safer" philosophy. This approach emphasizes minimal dependency on external libraries and components, thereby reducing the attack surface and enhancing overall security. In this blog post, we'll explore how Obsidian achieves this, its architectural components, and practical implementation strategies that developers can adopt to safeguard their applications. Supply chain attacks occur when malicious actors infiltrate a softwa…  ( 8 min )

I just launched something small but useful: a curated site for n8n workflows. I've been using n8n (an open-source alternative to Zapier) for a while to automate boring stuff. The problem I kept running into was: 👉 Workflows are scattered across forums, GitHub repos, or buried in Slack/Discord. 👉 Every time I wanted to automate something, I either rebuilt from scratch or spent hours searching. Learning n8n is exciting. The possibilities seem endless. But then reality hits: 👉 Where do you start? 👉 How do you avoid spending weeks building workflows from scratch? 👉 Who can help when you get stuck? 👉 Which hosting provider won't break the bank? I know these frustrations intimately because I lived through every single one of them. This project started with ability to fix my own struggl…  ( 7 min )

In Part 2, we explored RxJS and Change Detection (Q51–Q100). Now in Part 3 of Angular 20 Interview Questions and Answers (2025 Edition), we’ll dive into: Angular Forms & Validation (Q101–Q125) Angular Routing & Guards (Q126–Q150) Forms & Validation (Q101–Q125) Q101. What are the two types of forms in Angular? Template-Driven Forms → defined in HTML templates, easier for simple forms. Reactive Forms → defined in TypeScript, better for dynamic and complex forms. Q102. How do you create a Reactive Form in Angular? Import ReactiveFormsModule. Use FormGroup, FormControl, and FormBuilder. Q103. How do you create a Template-Driven Form? Import FormsModule. Use [(ngModel)] for two-way binding and #ref="ngModel". Q104. What is the difference between Template-Driven and Reactive Forms? …  ( 9 min )

Yes, it's true. I created an Image file format using solely Python. Struct is a library that comes with python.It was extensively used in this project for packing binary as well as unpacking it. Header Data The header holds the metadata of the image while the data has the pixel intensity values.In the context of headers, each format has a fixed layout of fields that never changes position. But these vary with formats. These "fields" are defined by a spec sheet of the file format. Here is mine: Field Size (bytes) Type Description Magic Number 4 ASCII (4s) File signature, fixed to "AVJ1" Version 1 Unsigned short (H) File format version. Current = 1 Image Width 4 Unsigned int (I) Image width in pixels Image Height 4 Unsigned int (I) Image height in pixels Color Mode 1 Unsig…  ( 9 min )

There are two types of sampling in OpenTelemetry: Head and Tail sampling. Head Sampling happens at the earliest possible opportunity (in the code) and it happens to the very first span on the trace (the root span). Tail Sampling happens at the very latest opportunity (and thus usually in the collector) The two are equally powerful, have different uses, applications, benefits and drawbacks. You should, and probably will, end up using them both. In this video, I explain everything you need to know and give 12 examples + YAML files for how you can use tail sampling:  ( 6 min )

As part of the course OSD600 (Open Source Development), we were asked to create a tool scratch that could provide context to LLMs based on a git repository. The tool should index a codebase and provide the contents, file structure in (initially) Markdown format. I found this pretty cool given we could choose the programming language we wanted. This is initially a toy project. Modern IDEs have exceptional agentic tools that can index huge codebases super-fast with tailored responses according to the developer's needs. I really wanted to push myself with this project; therefore, I chose Rust. Now, I'd say I'm very proficient in C++, having a solid track record of open-source contributions in a large codebase like LLVM. The only risk that this posed was that it was a collaborative course. The…  ( 9 min )

Introduction AWS Identity and Access Management (IAM) has evolved significantly since its inception, and one of the most important security best practices today is migrating from IAM Users to IAM Roles. This shift isn't just a recommendation—it's becoming essential for modern cloud security architecture. Security Benefits: Temporary Credentials: Roles provide temporary, automatically rotating credentials No Long-term Keys: Eliminates the risk of hardcoded access keys Principle of Least Privilege: Better control over permission scope and duration Audit Trail: Enhanced logging and monitoring capabilities Operational Benefits: Simplified Management: Centralized permission management Cross-Account Access: Seamless integration across AWS accounts Service Integration: Native support for AWS se…  ( 8 min )

Introduction Zero‑downtime deployments are a non‑negotiable expectation for modern services. As a DevOps lead, you want a repeatable, low‑risk process that lets you push new code without interrupting users. This checklist walks you through a Docker‑centric workflow backed by Nginx, covering everything from CI/CD configuration to health checks, traffic shifting, and observability. Before you write a single line of Dockerfile, map out the stages your code will travel through. A clear pipeline reduces manual steps and makes rollback trivial. GitHub Actions – native, cheap, great for open‑source. GitLab CI – built‑in container registry, easy variable management. CircleCI – fast parallel jobs, excellent Docker layer caching. Jenkins – highly customizable if you already have an on‑premise setu…  ( 8 min )

I Built an AI That Roasts Your Drawings Adam ・ Sep 5  ( 6 min )

Alright, so for my OSD600 course, we had this assignment: build a command-line tool. To solve a problem that I, and probably a lot of other developers, face all the time. You know when you're trying to get help from an LLM like ChatGPT and you end up copy-pasting a dozen different files? It's a mess. You lose the project structure, and the AI has no idea how main.js relates to utils/helper.js. My tool fixes that by packaging an entire repository's context into a single, clean text file. I decided to build this with Python. As a Computer Programming and Analysis student, Python just felt like the right tool for the job. Also, I am studying ML with python so I am more comfortable with it. It’s got awesome built-in libraries for file system operations (os) and parsing command-line arguments (…  ( 7 min )

This week I opened an issue in a classmate's repo to suggest adding a new option to their CLI project. Another classmate did the same for my project. I’m writing this to share the process and what I learned. I created an issue and said I would add the new option myself. It took me some time to figure out where to change the code. I tried to follow the existing style and avoid breaking anything. Reading and tracing someone else’s project needs patience. While doing that, I noticed a few things I had not been doing correctly in my own code. After I finished, I tested the new feature and opened a pull request, including my test results. Even though the code worked, I realized I was still missing some documentation. Besides writing code, adding clear comments and instructions is another skill I need to improve. When I tried to contribute to another project, one of my classmates tried to help me, but at first we couldn’t get the same output as the main branch. I reviewed his changes and pointed out where the inconsistency might come from. He eventually fixed it and added a new feature while keeping the original behavior. From these two experiences, I learned: Online collaboration is asynchronous, so I should leave clear messages with references. There is always room to improve—my project, my code, and my communication. If I add automated tests, both my classmates and I can save time, because differences in output would show up right away when code is pushed to GitHub.  ( 6 min )

There are 4 main reasons to change software 1.Adding a feature - Introducing new behavior to your software. Example: adding a company logo to the navigation bar on the left side. 2.Fixing a bug - Correcting unintended or incorrect behavior in existing code. Example: when a user clicks the button to go to the signup page, but it redirects to the login page instead. 3.Improving the design - Refactoring the codebase to make it easier to read, maintain, and collaborate on, while keeping the behavior the same. Example: splitting a large class or function into smaller, more manageable pieces, then combining them appropriately. 4.Optimizing resource usage - Refactoring parts of the system to improve performance and efficiency. Example: creating an index in the database to make queries faster. Types of Software Changes Every change to software carries risks, such as breaking user functionality, requiring significant development effort, creating conflicts within the team, or interfering with existing use cases. To minimize risks, we should ask these three questions before making a change: What change do we need to make? How will we know that we've done it correctly? How will we know that we haven't broken anything else? If you can confidently answer these three questions, you can make software changes more smoothly and safely. I hope this helps raise awareness whenever you're modifying software. Credit: Working Effectively with Legacy Code Book by Michael C. Feathers  ( 6 min )

The 90-Day Coding Routine That Made Me Think Like An Architect Rohit Gavali ・ Sep 19 #webdev #programming #ai #discuss  ( 5 min )

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The rising network difficulty and the need to pay for energy are pushing out smaller players and even publicly traded corporations.

HashKey Capital CEO Deng Chao says crypto treasuries must be treated as strategic reserves, not speculative bets, to remain sustainable in volatile cycles.

Coinbase CEO Brian Armstrong has outlined plans to build a crypto super app, offering credit cards, payments and Bitcoin rewards to rival traditional banks.

BitGo files to go public with $90.3 billion in assets under custody, targeting NYSE listing as institutional crypto adoption accelerates under new US policies.

Strategy's Michael Saylor said that lower Bitcoin volatility benefits “mega institutions” but disappoints thrill-seekers who thrive on price swings.

Economist Timothy Peterson said that the US Federal Reserve's upcoming actions are likely to “jolt Bitcoin and alts up substantially.”

The episode comes amid growing frustration among Coinbase users, many of whom alleged they’ve faced similar issues retrieving account access.  ( 28 min )

The company plans to list on the New York Stock Exchange under the ticker BTGO.  ( 28 min )

Saylor says bitcoin’s volatility is easing as early holders cash out, clearing the way for institutions to step in and build a stronger market base.  ( 31 min )

Honda has unveiled its first-ever fully electric motorbike (e-bike), christened the WN7. The WN7 name is derived from ‘W’, inspired by the development concept “Be the Wind”, ‘N’ representing naked, and the number ‘7’ referring to the W7’s power class. The e-bike is currently open for pre-booking in the European market, with production set to […] The post Honda Unveils Its First Fully Electric WN7 E-Bike appeared first on Lowyat.NET.  ( 34 min )

Sony’s latest full-frame compact camera, the RX1R III, is officially available in Malaysia. The camera will set you back an eye-watering RM20,999. Coming a full decade after its predecessor, the RX1R II, t he RX1R III features improved hardware and features throughout. Such improvements include a larger 61MP full-frame Exmor R back-illuminated CMOS sensor, marking […] The post Sony RX1R III Now Available In Malaysia At RM20,999 appeared first on Lowyat.NET.  ( 34 min )

As is common with vivo and its V series of phones, there’s a variant of the V60 that’s on its way out. According to a leakster, this is the vivo V60 Lite, and it will come in two variants. One is locked to 4G, while the other gets access to 5G. This comes via @Sudhanshu1414 […] The post vivo V60 Lite Renders, Specs Appear Online appeared first on Lowyat.NET.  ( 34 min )

While I welcome design updates, there are some changes that need some time to get acquainted with. One fine example is the one given to Apple’s newly launched iPhone 17 Pro series, with the Pro Max variant being the subject of this article. From the new aluminium unibody to the large camera “plateau” on the […] The post iPhone 17 Pro Max Hands On: Coming To Acceptance appeared first on Lowyat.NET.  ( 35 min )

Following the global launch of the Huawei Watch GT 6 and Watch Ultimate 2 in Paris yesterday, the brand has announced that it is bringing the wearables to our shores soon. More specifically, these smartwatches will be making their official debut here on 29 September 2025. Starting with the Watch GT 6 lineup, this set […] The post Huawei To Launch Watch GT 6 Series, Watch Ultimate 2 In Malaysia 29 September 2025 appeared first on Lowyat.NET.  ( 35 min )

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When you run dotnet dev-certs https --trust, .NET creates and trusts a localhost-only developer certificate. That’s great for https://localhost:1234, but it won’t cover https://my-machine:1234. If you want to reach your service by machine name (e.g., https://my-machine:7164) you need to create your own self-signed certificate that lists all the names you’ll use (machine name, localhost, and optionally 127.0.0.1) and then configure Kestrel to use it. You’ll also need to trust that certificate for browsers — and tell Node.js how to trust it. Below are clean, copy-pasteable steps for Windows/PowerShell. # Names you want this cert to cover (add/remove as needed) $dns = @("my-machine", "localhost", "127.0.0.1") # Create a leaf certificate in CurrentUser\My $cert = New-SelfSignedCertificate -Dn…  ( 8 min )

เป็นหนึ่งจากหลายๆ เคสที่ถูก Raise มาถึงเราในสัปดาห์นี้ และน่าจะเป็นเคสที่สนุกสุดด้วยเพราะผู้เขียนยอมอดกินเนื้อย่างคืนวันศุกร์เพื่อมาแก้เคสนี้ ด้วยตัว HashiCorp Vault ทางทฤษฏี เคสนี้ควรจะถูกแก้ได้ แต่พอไปดูเครื่องมืออาจจะยังไม่ครอบคลุม (หรือจะมองอีกมุม ว่าเพื่อความปลอดภัยและความชัดเจนในมุมการใช้งานของ Product เองก็ได้ครับ) ในที่นี้ wrapped key ที่ต้องการมีพร้อม ขาดแค่เครื่องมือ ซึ่งเราสร้างเพิ่มขึ้นมา Vault provides centralized, well-audited privileged access and secret management for mission-critical data whether you deploy systems on-premises, in the cloud, or in a hybrid environment. Vault เป็นเครื่องมือช่วยบริหารจัดการ Secrets โดยปกติจะมี 2 Modes Unseal: พร้อมใช้งาน จัดการ Secrets ได้ เรียกขอ Secrets ไปใช้งานก็ได้ Seal: ไม่พร้อมใช้งาน ต้อง Unseal ก่อน, ถ้ามี Incident เกิดขึ้นเราสามารถสั…  ( 8 min )

Table of Contents Introduction The Node.js Approach: Powerful but Complex The n8n Advantage: Visual and Maintainable Perfect Use Cases for n8n Stick with Node.js When Local Development Setup Environment Configuration Pattern 1: API Polling and Data Processing Pattern 2: Webhook Processing Pipeline Custom Code Execution Environment-Specific Configurations Error Handling and Retry Logic Workflow Design Best Practices Production Deployment Options CI/CD Integration Phase 1: Assessment and Planning Phase 2: Gradual Migration Phase 3: Optimization and Scaling Memory Management Rate Limiting Conclusion As developers, we've all been there: writing countless Node.js scripts to automate repetitive tasks, integrate APIs, and orchestrate complex workflows. While Node.js gives us incredible flexibi…  ( 12 min )

Hello everyone! In this game you play as an ant who is hungry and wants to eat all the apples 🍏 I made a small 2D scene where you can move the ant by pressing the arrow keys on your keyboard. In the mobile version, I added buttons in the center. The ant can move left and right and jump. Surprisingly, the game became the second on YC in the ShowHN tab Demo: https://aanthonymax.github.io/ant-and-apples https://github.com/aanthonymax/ant-and-apples I would appreciate your feedback ^ ^ P.S. Also, don't forget to help me and star HMPL! 🌱 Star HMPL ✩  ( 7 min )

Introduction If you’ve ever been curious about how compilers work under the hood, LLVM is one of the best playgrounds you could ask for. It’s powerful, flexible, and used everywhere from programming languages to GPU drivers. The catch? LLVM is huge, and getting started can feel daunting. A great place to begin is with LLVM passes. They are the building blocks of compiler optimizations and program analysis. By creating your own passes and experimenting with the IR, you’ll quickly get hands-on with the core concepts that make LLVM tick. This post will take you from building LLVM to running a simple “hello world” pass — your first step into compiler internals. Before diving in, make sure you have the required tools installed. On Ubuntu/Debian, you can get them with: sudo apt -y install gc…  ( 8 min )

10 Common JavaScript Pitfalls (and How to Avoid Them) JavaScript is powerful, flexible, and everywhere — but that flexibility comes with traps. Even experienced devs fall into them. I want to share 10 common pitfalls I’ve seen (or hit myself), and how you can avoid each one. No fluff — just what works. If you’ve been coding for a while, you’ve probably hit some strange bugs where the code “looked fine” but behaved completely differently. That’s because JavaScript has quirks: scope issues, async gotchas, type coercion — the list goes on. The good news? Once you know these patterns, you can spot and avoid them instantly. Let’s dive in. Implicit globals — forgetting let or const makes variables global. Misusing this — context depends on how the function is called. Callback hell — deeply nested code, hard to maintain. == vs === confusion — type coercion surprises. Hoisting quirks — var vs let/const. Closures inside loops — unexpected captured values. Async bugs — forgetting await, unhandled promises. Floating point precision — 0.1 + 0.2 !== 0.3. Inefficient DOM ops — reflows, repeated queries. Overusing dependencies — bloated bundles and hidden bugs. function foo() { x = 5; // Oops — global variable } ✅ Always declare with let or const. this const obj = { name: 'Alice', greet: function() { console.log(this.name); }, }; const greet = obj.greet; greet(); // undefined instead of "Alice" ✅ Use arrow functions only when you don’t need this. .bind() when necessary. …and so on through the rest of the pitfalls. Avoiding these pitfalls doesn’t mean writing perfect code. It means being aware. Once you recognize these patterns, debugging gets easier, your codebase is cleaner, and teammates will thank you. If you enjoyed this, keep an eye out — I’m planning follow-ups on async/await best practices and React pitfalls. JavaScript isn’t broken — it just has personality. The more you understand it, the more productive (and less frustrated) you’ll be.  ( 7 min )

I was fascinated by how people were running large language models locally, fully offline, without depending on expensive GPU clusters or cloud APIs. But when I tried deploying Gemma 2B manually on my machine, the process was messy: Large model weights needed downloading Restarting the container meant re-downloading everything No orchestration or resilience — if the container died, my setup was gone So, I asked myself: “Can I run Gemma 2B efficiently, fully containerized, orchestrated by Kubernetes, with a clean local setup?” The answer: Yes. Using k3d + Ollama + Kubernetes + Gemma 2B. 🎯 What You’ll Learn Deploy Gemma 2B using Ollama inside a k3d Kubernetes cluster Expose it via a service for local access Persist model weights to avoid re-downloading Basic troubleshooting for pods and cont…  ( 7 min )

Hey everyone! 👋 I'm excited to share a fun challenge with you. For those looking to learn something new, test their skills, or just have some fun, I've created something I think you'll enjoy. Introducing FSM_API I've made my free, open-source FSM_API NuGet package public. It's a platform-agnostic C# library, meaning you can integrate its behavior into almost any C# application. If you've ever wanted to explore the power of Finite State Machines (FSMs), this is a great opportunity. What is a Finite State Machine? transition. An FSM is defined by a list of its states, its initial state, and the inputs that trigger each transition. The Challenge: What Will You Create? Your task is simple: install the FSM_API NuGet package and show us what you can build. It could be a simple game, a workflow for a business application, or a unique UI behavior. The possibilities are endless. You can get the package here: NuGet. Get Started To help you, I'll be releasing a new public GitHub repository soon. It will feature four examples of how to integrate the API: A minimal FSM-based console application that demonstrates the core loop. An Advanced console application which demonstrates fine grained control over the initialization, update, and shutdown behavior. A minimal FSM-based WPF application which demonstrates the simplest FSM loop. An advanced WPF application that shows how to decouple your application's behavior from the UI itself, a key principle of modern software design. I'm eager to see what you create. Share your ideas and projects in the comments below, and let's get building! The Singularity Workshop  ( 7 min )

Throughout history, attackers have shown that they are ready to compromise users using malware, vulnerabilities, or exploiting poor security practices. Whichever method they chose, it's known that determined attackers always seem to find a way into a target network or system. ChatGPT Targeted in Server-Side Data Theft Attack Don't even think that you're going to try and exploit the flaw. Why? At the time of writing, OpenAI has fixed the bug. Nonetheless, you can ask: What's the bug about? The excerpt below will surely answer your question. The attack, dubbed ShadowLeak, targeted ChatGPT’s Deep Research capability, which is designed to conduct multi-step research for complex tasks. Unlike client-side attacks, ShadowLeak exfiltrates data through the parameters of a request to an attacker-c…  ( 17 min )

Introduction Connecting to external APIs, such as CoinMarketCap, in SSIS enables seamless integration of cryptocurrency data into your ETL processes for analysis, reporting, and decision-making. CoinMarketCap provides real-time data on market cap, price, volume, and historical data for numerous cryptocurrencies. In this tutorial, we walk you through the steps to configure a connection to the CoinMarketCap API using ZappySys JSON Source to fetch cryptocurrency data into SSIS. To connect to the CoinMarketCap API, you will need an API key. Visit the CoinMarketCap API page. Sign up or log in to your account. Once logged in, you’ll be able to view your API key. Copy the API key for use in the following steps. 👉 Read the full tutorial with detailed steps here: SSIS tutorial: How to connect to CoinMarketCap API  ( 6 min )

Introduction Precedence constraints in SSIS are the connectors (arrows) between tasks in the Control Flow. They determine the execution order and conditions under which tasks run. By default, tasks are connected with a success constraint, meaning the subsequent task executes only if the preceding task succeeds. However, you can customize this behavior using various evaluation operations to handle different scenarios, such as failures or conditional logic. When configuring a precedence constraint, you can set the evaluation operation to define how the constraint is evaluated: Constraint: Evaluates based on the task's execution result (Success, Failure, or Completion). Expression: Evaluates a Boolean expression; the subsequent task runs if the expression returns true. Expression and Constraint: Both the task's execution result and the expression must evaluate to true for the subsequent task to run. Expression or Constraint: Either the task's execution result or the expression must evaluate to true for the subsequent task to run. 👉 Read the full tutorial with detailed examples here: SSIS tutorial: Precedence Constraints using Zappysys tasks  ( 6 min )

Why TCJSGame Stands Out: Unique Features That Beat Other 2D JavaScript Game Engines While the JavaScript ecosystem boasts numerous 2D game engines like Phaser, PixiJS, and Matter.js, TCJSGame carves out a unique niche with several compelling features that make it stand out from the competition. This article explores the distinctive advantages TCJSGame offers that truly differentiate it from other popular 2D JavaScript game engines. Most modern game engines require: npm installations Build processes (Webpack, Rollup, etc.) Complex project configurations Dependency management // Your game code here Advantage: TCJSGame works immediately with a simple script tag, making it perfect…  ( 10 min )

TCJSGame vs CT.js: A Comprehensive Comparison of JavaScript Game Engines When it comes to JavaScript game development, developers have numerous engine options to choose from. Two interesting choices are TCJSGame (a lightweight, code-focused engine) and CT.js (a more feature-rich, editor-based engine). Both have their strengths and ideal use cases, which we'll explore in this comprehensive comparison. TCJSGame is a lightweight, open-source JavaScript game engine that emphasizes simplicity and direct coding. It provides a minimalistic approach to game development with essential features for 2D game creation. CT.js is a more comprehensive game engine that features a visual editor, built-in tools, and a wider array of features for 2D game development. It's designed to be accessible while st…  ( 9 min )

In this post, we'll build an agentic Logic App that decides whether approve, escalate, or deny a refund. The Agent applies policy, human approval when needed, and emails the customer Most refund flows are a mix of clear rules (auto-approve low amounts edge cases (needs a human). Logic Apps now Agent action (Azure OpenAI) that can reason, call tools, policy + people. HTTP POST (refund request JSON) └─ Agent "RefundAgent" (Azure OpenAI gpt-4.1-mini) ├─ Tool: Send_Mail_For_Action (Outlook/Webhook) -> pause & wait for approver ├─ Tool: Send_Final_Status_Email (Outlook) -> notify customer └─ Tool: EndWorkflow (Terminate) -> clean run completion └─ Response 200 (optional output) Auto-approve if: Amount ≤ 200 Reason contains damaged, defective, or never arrived Esca…  ( 8 min )

It's been a while since I started a project called Zedis (Redis written in Zig). It's been a great way to learn low-level programming. I want to take you on a tour of three core features I've implemented: Pub/Sub and the memory allocation strategy. I have a personal goal of mastering Zig this year; this was the perfect way to accomplish that. Zig offers a number of intriguing features for high-performance systems, such as comptime, which allows code to run at compile time, and explicit memory management. Zedis has been my playground for exploring everything from network programming to custom allocators. Implementing the Publish/Subscribe mechanism was a fun challenge. At its core, it's a messaging system that decouples senders (publishers) from receivers (subscribers). Here's how it works …  ( 7 min )

BootCamp by Dr.angela 1. The List Element ~ : Unordered List (Bullet) ~ : Ordered List (Number) ~ : List item Proper indentation is important 2. Anchor Elements ~ attribute : href (URL), target (open location : _self/_blank), title (tooltip text), rel (relationship, security), download (save file), draggable (drag element: true/false) 3. Image Elemnts src (source) : Defines the path or URL of the image file alt (alternative text)  ( 6 min )

You've mastered unpacking, which splits an iterable into individual variables. Now, let's look at the opposite process: variable packing. Packing is about collecting multiple, independent values into a single variable, typically a tuple or a dictionary. This is a crucial concept, especially when building flexible functions. *args The single asterisk (*) is a packing operator when used in a function definition. It allows a function to accept a variable number of positional arguments (arguments passed without a keyword) and collects them all into a single tuple. The conventional name for this parameter is args, short for "arguments." Imagine you want a function that can calculate the sum of any number of values, without having to define a separate parameter for each one. This is a perfect …  ( 7 min )

TCJSGame: A Complete JavaScript Game Engine Reference Guide TCJSGame (Terra Codes JavaScript Game) is a lightweight, easy-to-use JavaScript game engine designed for creating 2D games with HTML5 Canvas. It provides a component-based architecture, physics simulation, tilemap support, and various utilities that make game development accessible for beginners while still powerful enough for more experienced developers. In this comprehensive guide, we'll explore all aspects of TCJSGame with detailed examples and explanations. Setup and Initialization Display Class Component Class Movement Utilities Camera System TileMap System Input Handling Complete Game Example To get started with TCJSGame, you need to include the engine in your HTML file: My TCJSGam…  ( 12 min )

Learn what API rate limiting is, why it exists, and practical strategies to avoid those dreaded 429 errors when building with free APIs. If you’ve ever worked with an API, chances are you’ve seen this error before: HTTP 429: Too Many Requests Rate limit exceeded. Try again later. Frustrating, right? Don’t worry, you’re not alone. Every developer runs into this at some point. The good news? Rate limits aren’t there to ruin your day. They’re here to keep APIs stable and fair for everyone. In this guide, I’ll break down what API rate limiting means, why it exists, and proven ways to work around it so your next project doesn’t grind to a halt. Imagine you’re at a popular nightclub. There’s a bouncer at the door letting in people gradually, so the place doesn’t get too crowded. That’s exactly …  ( 8 min )

My Status as an Assassin Obviously Exceeds the Hero’s hits Crunchyroll on October 6, 2025. High schooler Akira Oda and his classmates are summoned to another world—while everyone else nets overpowered “cheat” skills, Akira only gets a so-so assassin rank that surprisingly outshines the hero class. When he starts questioning the king’s shady motives, he’s framed for a crime and forced to go on the run. Expect isekai vibes, royal conspiracy, and plenty of sly assassin action! Watch on YouTube  ( 6 min )

Trails in the Sky: First Chapter gets a fresh, modern makeover in IGN’s latest gameplay drop, offering a sneak peek at the opening moments of this beloved JRPG. The video teases crisp visuals and a revamped UI, breathing new life into the classic turn-based adventure. You’ll team up with rookie bracers Estelle and Joshua as they embark on a journey across the peaceful Liberl Kingdom—only to uncover hints of a dark conspiracy lurking beneath its idyllic facade. Perfect for longtime fans and newcomers alike, this first look sets the stage for what promises to be an epic, nostalgia-fueled quest. Watch on YouTube  ( 6 min )

🚀 Azure Quick Review (azqr) v2.9.0 is out! 👉For sharper insights get the latest: https://github.com/Azure/azqr  ( 6 min )

Rust has exploded in popularity, and with it comes the inevitable dilemma every Rust developer faces: Which web framework should I use? On one side, you’ve got Actix-web flexing its 21k+ GitHub stars. Then there’s Axum, backed by the Tokio team itself. Finally, you have Rocket, promising a developer experience free of boilerplate, with “convention over configuration” magic. Congratulations—you’ve just caught the infamous Rust Web Framework Choice Paralysis. It’s not fatal, but it will waste your weekend. Most comparison posts focus on dry benchmark charts or say a lot without actually telling you what matters. But in the real world, when you’re debugging at 2 AM, onboarding a new teammate, or maintaining a once-tiny API that has now grown into a spaghetti monster, the framework you …  ( 8 min )

For this lab, I was able to contribute to a teammate's project. The task at hand was to add a --recent / -r flag to their project. When running the program with this flag set, it will only include files that have been modified within the last 7 days. I once again partnered up with DenisC96 and filed an issue asking the implement the new feature. I got to forking a copy of their repo and cloning it to my machine. After testing the program to make sure it was working as intended, I created a branch to work on my proposed changes. Actually implementing the feature was pretty simple and only required a few lines of code. First I added the argument to the parser, then I wrote a small function called check_recent_changes. This function took in a file's absolute path and the --recent argument t…  ( 7 min )

This guide provides a comprehensive overview of essential network services covered in the CompTIA Network+ N10-009 certification, including the Domain Name System (DNS), Dynamic Host Configuration Protocol (DHCP), IPv6 Stateless Address Autoconfiguration (SLAAC), and network time protocols. The Domain Name System (DNS) is a foundational protocol that translates human-readable domain names (e.g., www.example.com) into the IP addresses required for network communication. DNS Hierarchy and Structure DNS is organized as a hierarchical database. This structure allows for distributed management and scalable name resolution. Root: The top of the hierarchy, represented by a single period (.). Top-Level Domains (TLDs): Located directly under the root. They are categorized as: Generic TLDs (gT…  ( 13 min )

Customer support is changing fast—and if you want real-time, accurate answers driven by your own data, Laravel MCP (Model Context Protocol) is the tool to look at. In my latest tutorial, I walk through how to build a customer support system that: Understands natural-language questions from users Safely converts them into database queries Provides live answers from customer / product data Builds a secure interface with Laravel 12 & PHP 8.3 I also cover crucial parts like schema design, security against SQL injection, and optimizing the whole system. If you’re a Laravel dev curious about adding AI-driven Q&A features to your app, this one’s for you. For all the code examples, setup steps, and best practices, read more here: 👉 Building Intelligent Customer Support with Laravel MCP: AI-Powered Database QA Would love your thoughts: What kind of natural language queries do you struggle with in your apps—or what would you want this system to handle?  ( 6 min )

Reactive event bus for PHP powered by RxPHP and Swoole. It lets you publish/subscribe domain and infrastructure events, compose pipelines with Rx operators, and run time-based operators on Swoole’s event loop. EventBus — simple Rx‐backed bus with on(), onMany(), payloads(), once(), request() SwooleScheduler — AsyncSchedulerInterface using Swoole\Timer (works with RxPHP time operators) Event model — BasicEvent (name, payload, meta, rid) and EventInterface (correlation id) PHP 8.3+ ext-swoole 4.8+ / 5.x reactivex/rxphp (2.x) composer require small/swoole-rx-events use Small\SwooleRxEvents\EventBus; use Small\SwooleRxEvents\SwooleScheduler; use Small\SwooleRxEvents\Event\BasicEvent; // Use the Swoole async scheduler $bus = new EventBus(new SwooleScheduler()); // Subscribe by name $b…  ( 7 min )

Introduction: Setting the Scene We were in the early planning stages of a high-stakes project—one of those “if this goes down, the company goes down” systems. Pressure was mounting, deadlines were closing in, and even before a single line of code was written, it already felt like the architecture was being held together with duct tape and desperate prayers. Enter the new senior developer, Kazem Arjmand— who seemed unnervingly calm during our design meetings. While the rest of us were anticipating future bugs before we even started coding, he kept dropping cryptic hints about something called functional programming (FP). At the time, all I knew was that it was some “academic” style of programming. What I didn’t realize was that it’s a paradigm—just like object-oriented programming (OOP)—b…  ( 9 min )

For Release 0.1, I created ContextWeaver, a command-line tool that packages the content of a local Git repository into a single text file optimized for Large Language Models (LLMs). The goal is to make it easier to share full project context with ChatGPT or other tools without manually copy-pasting many files. Setup Implemented Features Example Usage -Save output to file -Estimate token count Sample run: main.py generates repo structure, file contents, and metadata in one output. Reflection One challenge was deciding what to include vs skip for very large files. I solved this by limiting the file size and adding a truncation note. This project gave me practice with CLI design, file system operations, and Git integration, while also teaching me the importance of clear documentation. Links https://github.com/kkrishnan10/ContextWeaver https://github.com/kkrishnan10/ContextWeaver/blob/main/src/main.py https://github.com/kkrishnan10/ContextWeaver/blob/main/README.md  ( 6 min )

"Retrieval-augmented generation has become the backbone of factual, dependable AI—reducing hallucinations by grounding LLM answers in real-world data." Generative AI is changing industries—yet the challenge of hallucinated, misleading responses persists. In a study by Meta AI, retrieval-augmented generation (RAG) reduced factual errors in LLMs by up to 40% (Meta AI RAG Introduction). From smarter chatbots to streamlined research, mastering RAG is no longer futuristic—it's table stakes for reliable AI applications. Data sourcing, cleaning, and chunking Embedding strategies and vector storage Retrieval optimization and LLM orchestration Fine-tuning, evaluation, and continuous monitoring Cost/performance trade-offs Mitigating hallucinations and building trust Real-world playbooks from indus…  ( 10 min )

How grammar, not algorithms, became the true operating system of power in predictive societies AI Syntactic Power and Legitimacy: How AI Structures Shape Power confronts a hidden dimension of artificial intelligence: power is no longer just exercised through policies, datasets, or algorithms, but through grammar itself. The book shows how large language models establish authority not by what they mean, but by how they formulate. Passive voice, nominalizations, and non-referential clauses remove the human subject and create texts that look objective, neutral, and inevitable. In this regime, decisions appear as if they simply “exist,” while in reality they are executed by a system that no longer needs an author. This work pushes beyond standard AI ethics discussions. Instead of asking whethe…  ( 8 min )

Ever assigned multiple variables in one line? That's variable unpacking! It's a fundamental Python superpower that goes far beyond simple assignments, making your code cleaner, more expressive, and more robust. Let's delve into the techniques that turn a simple concept into a powerful tool. The Basics: Beyond Simple Assignment At its core, unpacking is about assigning elements from an iterable (like a list or tuple) to multiple variables in a single, concise line. This allows you to process structured data without resorting to clunky, index-based access. For example, instead of this: person = ["Alice", 25, "Engineer"] name = person[0] age = person[1] job = person[2] You can write the much more elegant and readable: name, age, job = ["Alice", 25, "Engineer"] This simple shift in thinkin…  ( 8 min )

The world is changing, and automation is at the forefront of this shift. What once seemed like science fiction is now a tangible reality, with AI voice agents leading the charge. Whether it’s booking appointments, answering customer queries, or generating leads, AI-powered voice agents can revolutionize how we interact with technology. But how do you take the first step toward building your own agent that doesn’t just perform tasks but actively contributes to your business growth? 1. Introduction to AI Voice Agents and Their Importance in Modern Business Studies show that responding to potential leads within the first five minutes can increase conversion rates by up to 400%. Yet, many businesses still take hours or days to respond. This is where AI voice agents step in—working tirelessly 2…  ( 8 min )

Today’s Progress Finished with Semantic HTML Created a fake “Event Hub” built with sections, articles, images and a navigation section Moved onto Forms and Tables in HTML I knew when I woke up this morning I wanted to complete the semantic HTML section in freecodecamp.org, and I did it! I didn’t have much to go, however this was the section that I previously gave up on at the beginning of the summer, hence being significant that I got past my previous struggles. Looking forward, I want to create something out of freecodecamp. What that is entirely I am not sure, given my rather novice skill level it will probably just be a dummy website. But, the act of making it all from scratch will be very rewarding. Thus, I need to brainstorm a topic to do the website on, something interesting. A thought for another day perhaps. 130/214 through HTML code camp A small number, but I have set myself the goal of completing HTML by the end of next week. Writing a blog is something I have never attempted before, so keeping up with it will be a testament to how much I keep up with my coding progress. I’m hoping that they both influence each other in a weird way (if you get me). Lectures start up again next week for my course. I’m hoping that the motivation to code stays with me and doesn’t falter as university continues, but time will tell. Enjoying the journey? Interested in Coding yourself? Well follow along and we can learn to code together!  ( 6 min )

MongoDB Search Indexes provide full‑text search capabilities directly within MongoDB, allowing complex queries to be run without copying data to a separate search system. Initially deployed in Atlas, MongoDB’s managed service, Search Indexes are now also part of the community edition. This post compares the default full‑text search behaviour between MongoDB and PostgreSQL, using a simple example to illustrate the ranking algorithm. I’ve inserted nine small documents, each consisting of different fruits, using emojis to make it more visual. The 🍎 and 🍏 emojis represent our primary search terms. They appear at varying frequencies in documents of different lengths. db.articles.deleteMany({}); db.articles.insertMany([ { description : "🍏 🍌 🍊" }, // short, 1 🍏 { descripti…  ( 13 min )

The recent Shai-Hulud supply chain attack on the NPM ecosystem has reminded the javascript development community that they face risks at many levels. The attack, which employed a self-replicating malware to propagate through the NPM registry, was not a straightforward smash-and-grab operation. It was a planned campaign that employed a variety of attack vectors and vulnerabilities to accomplish its goals. The following diagram is featured in an early article by Trend Micro: I wanted to offer some advice as someone who uses Node on a daily basis and has code published on NPM. I am also passionate about open-source ecosystems. Regrettably, I am unable to write a doom-and-gloom post about Node, JavaScript, or TypeScript, despite the fact that it appears to attract a large audience. We shou…  ( 10 min )

Machine learning or ML can be complex. We can breakdown this complexity to an extent by thinking of ML as a lifecycle. Like a baby growing into infant to adolecent and finally a mature adult . 💡 ML lifecycle includes: Business goal identification ML problem formulating Data processing (collection, preprocessing, feature engineering) Model/Solution development (training, tuning, evaluation) Model deployment (inference, prediction) Model monitoring Some of these steps, such as data processing, deployment, and monitoring, are iterative processes that you might cycle through as an ML engineer, often in the same machine learning project. Lets throw some light into these phases of ML development. ✔️ Business goal Identification ✔️ ML problem framing ✔️ Data processing is foundatio…  ( 12 min )

The Model Context Protocol (MCP) is a new standard for integrating AI assistants like ChatGPT and Claude directly with your Laravel application. Instead of hacking together custom APIs, MCP gives developers a clean, universal way to expose their app’s functionality to AI clients. Seamless AI Integration Expose Business Logic as Tools Structured Prompts & Resources Security First Future-Proof Your App Quick Example use Laravel\MCP\Tool; Tool::define('createInvoice', function ($data) { // Your invoice logic here }); This single definition makes the action discoverable and callable by AI clients that understand MCP. This post is just a snapshot. step-by-step tutorial, code samples, and advanced best practices, check out my full guide: 👉 Laravel MCP: Complete Guide to Model Context Protocol Integration in 2025 Pro Tip: Start experimenting now. MCP is fast becoming the “AI gateway” for Laravel—get ahead of the curve!  ( 6 min )

Learn how to build a fast, searchable selection modal using Laravel and Alpine.js. This tutorial shows the simple approach that performs well for small to medium datasets. Laravel - Backend framework Alpine.js - Lightweight JavaScript reactivity Tailwind CSS - Utility-first styling Do the heavy work once during render: // Pre-compute search text for each item $searchText = strtolower($item['name'] . ' ' . $item['description']); Simple Alpine.js component: { search: '', hasResults: true, selectedValue: '', init() { this.$watch('search', () => this.filterItems()); }, filterItems() { const searchLower = this.search.toLowerCase().trim(); const cards = this.$el.querySelectorAll('.item-card'); let visibleCount = 0; cards.forEach…  ( 9 min )

TL;DR Marvel Animation’s Marvel Zombies is a four-part horror event landing on Disney+ September 24. In this wicked twist on the MCU, the Avengers have been infected by a zombie plague, and a rag-tag crew of survivors must race across a devastated Earth to find the cure before the world—and its mightiest heroes—are lost forever. Packed with star turns from Elizabeth Olsen, Paul Rudd, Florence Pugh, David Harbour, Tessa Thompson and more, this animated nightmare is executive produced by Kevin Feige, Louis D’Esposito, Brad Winderbaum, Dana Vasquez-Eberhardt, Bryan Andrews and Zeb Wells—and it looks like Marvel’s never been bloodier. Watch on YouTube  ( 6 min )

Hyperfunk is an upcoming neon-fueled action-adventure platformer from the creators of Bomb Rush Cyberfunk, promising “2 seconds per second of evolved funkstyle.” You’ll skate, BMX and grind through a vibrant city, pulling off crazy tricks, tagging graffiti, and competing with rival crews in a hyper-connected world shaped by the online Hyper. Rack up high combo scores to fuel your personal boost pack and hit ridiculous speeds as you battle for style points and city dominance both in reality and online. Hyperfunk blends extreme tricks, graffiti culture, and fast-paced exploration for a fresh take on platforming mayhem. Watch on YouTube  ( 6 min )

Mushoku Tensei Season 3 Official Trailer (English Subtitles) just dropped, and you can catch the new season on Crunchyroll in 2026. Our favorite underachieving 34-year-old gets a second shot at life as baby Rudy, magic in hand and memories intact. With fresh friends, new spells, and the courage to chase every dream, he’s gearing up for one epic adventure. Watch on YouTube  ( 6 min )

In the ever-evolving landscape of web development, captivating visuals are no longer a luxury but a necessity. Imagine being able to dynamically generate stunning images, edit existing ones with natural language, and even weave illustrations seamlessly into your content – all from your web application. With Google's Gemini models, this powerful capability is now within reach, empowering developers to build truly immersive and interactive experiences. Gemini leverages its vast world knowledge to generate contextually relevant images, making your visuals more meaningful. Unlike models that only produce images, Gemini can seamlessly blend text and images in a single response, perfect for illustrated guides, stories, and more. Gemini excels at generating images with accurate and high-quality t…  ( 8 min )

Introduction — Why Scalable Search Ranking Matters More Than Ever “The core of Google—and, increasingly, every digital product—is search powered by machine learning.” — Sundar Pichai, CEO, Google Every minute, the world generates more than 2.5 quintillion bytes of new data [source]. For digital platforms—from Amazon and Google to Spotify and TikTok—delivering the right result or product out of billions isn’t a luxury, it’s existential. Modern users expect blazing-fast, hyper-personalized search: a delay or irrelevant result sends them elsewhere. As a result, breakthroughs in scalable ranking architectures have become a key lever to boost business: Metric Impact Example Source Click-through Rate (CTR) +10-20% w/ deep ranking Google Research Net Promoter Score (NPS) +20 pts aft…  ( 10 min )

If you’ve ever deployed microservices on Kubernetes, you know the pain: endless YAML files, copy-pasting configs, and maintaining slightly different manifests for every service. It works… until you need to scale. That’s where Helm comes in. By creating your own charts, you can transform messy manifests into reusable building blocks that scale seamlessly as your app grows. In this post, I’ll walk you through how I built a shopping application with multiple microservices, deployed on AWS EKS with Terraform, but more importantly, how I made the whole setup modular with custom Helm charts. Which microservices you need to deploy Which services talk to each other How they communicate Which database(s) they use Which ports each service runs on Reusability - no duplicate YAML Scalability - add new…  ( 9 min )

Another week, another batch of goodness from around the Couchbase universe. Whether you’re here to geek out over cloning clusters like a sci-fi lab experiment, curious about wrangling production-ready AI agents that won’t spontaneously combust, or just hunting for your next learning rabbit hole — we’ve got you covered. Oh, and if you’re into live events (the comfy virtual kind), there’s one coming up you won’t want to miss. 🌱 Clone Couchbase Clusters for CI/CD On-Demand Ephemeral Environments Cluster up >> 🤖 ICYMI: Building Production-Ready AI Agents with Couchbase and Nebius AI Get caught up >> 📺 Live Couchbase MCP Goodness RSVP >> 📜 Couchbase Academy: An Upgraded Learning Experience Learn more >> That’s it for this week’s Couchbase Weekly for developers! 💥 What are you building with Couchbase? Got a project, demo, or tutorial to share? Drop it in the comments (or hit us up on Discord), and we might feature it in a future issue. 💡Sign up for Capella Free Tier and follow us for future updates!  ( 7 min )

As a solo builder it's so easy to come up with an idea and fall straight into the trap of building first without talking to your target market, we foolishly assume that if we build it the users will come. I've made this mistake several times because building comes naturally to me and talking to people doesn't. Heck I'm making the same mistake right now. A lot of people are scared that if they talk to people about their idea to try and gauge worth, they'll steal their idea and get Zucked. The Reality is people are lazy. Really lazy! most people would rather go home eat food and watch TV, there's very few people that are going to steal your idea and even less that have put enough thought into it as you have. Don't be afraid, get out there and talk to users. The other hard part about talking to people is finding people to talk to about your idea. break it down into steps, the first thing to figure out is who is your user and where do they congregate? If you can answer those questions, then you can figure out how to start a dialog with them. Remember your targeting the early adopters, most people in your target audience are likely to be uninterested, you want to find the ones that are leaders and excited about doing something that no-one else doing yet. Remember that marketing is the majority of the work, the best product doesn't always win out, chances are the better marketed one does. For those of us who are builders, this is really hard. Building isn't the "work", Marketing is.  ( 6 min )

Technical debt isn’t just messy code—it’s the silent killer of productivity. Every shortcut, every rushed feature, every un-refactored module adds hidden interest that slows your releases, multiplies bugs, and drains developer morale. In my latest Medium deep dive, I show how to tackle debt practically and systematically, including: ✅ 𝗜𝗱𝗲𝗻𝘁𝗶𝗳𝘆𝗶𝗻𝗴 & 𝗰𝗹𝗮𝘀𝘀𝗶𝗳𝘆𝗶𝗻𝗴 𝗱𝗲𝗯𝘁 across code, architecture, infrastructure, and processes If you’re building software in .𝗡𝗘𝗧, 𝗺𝗶𝗰𝗿𝗼𝘀𝗲𝗿𝘃𝗶𝗰𝗲𝘀, 𝗰𝗹𝗼𝘂𝗱-𝗻𝗮𝘁𝗶𝘃𝗲 𝗲𝗻𝘃𝗶𝗿𝗼𝗻𝗺𝗲𝗻𝘁𝘀, 𝗼𝗿 𝗮𝗴𝗶𝗹𝗲 𝘁𝗲𝗮𝗺𝘀, this article is a 𝗽𝗿𝗮𝗰𝘁𝗶𝗰𝗮𝗹 𝗴𝘂𝗶𝗱𝗲 𝘁𝗼 𝗿𝗲𝗰𝗹𝗮𝗶𝗺𝗶𝗻𝗴 𝘃𝗲𝗹𝗼𝗰𝗶𝘁𝘆, 𝗶𝗺𝗽𝗿𝗼𝘃𝗶𝗻𝗴 𝗰𝗼𝗱𝗲 𝗾𝘂𝗮𝗹𝗶𝘁𝘆, 𝗮𝗻𝗱 𝗸𝗲𝗲𝗽𝗶𝗻𝗴 𝘀𝗮𝗻𝗶𝘁𝘆 𝗶𝗻𝘁𝗮𝗰𝘁. 📌 𝗥𝗲𝗮𝗱 𝘁𝗵𝗲 𝗳𝘂𝗹𝗹 𝗮𝗿𝘁𝗶𝗰𝗹𝗲 𝗼𝗻 𝗠𝗲𝗱𝗶𝘂𝗺 – 💣 𝗠𝗮𝗻𝗮𝗴𝗶𝗻𝗴 𝗧𝗲𝗰𝗵𝗻𝗶𝗰𝗮𝗹 𝗗𝗲𝗯𝘁 𝗪𝗶𝘁𝗵𝗼𝘂𝘁 𝗟𝗼𝘀𝗶𝗻𝗴 𝗬𝗼𝘂𝗿 𝗠𝗶𝗻𝗱  ( 6 min )

This is a short, code‑first tutorial for developers. It assumes you already have a Cloud Run service and an OAuth2 Web Client. No business case study here—just the practical bits. Use chrome.identity.launchWebAuthFlow to get a Google ID token. Send it as Authorization: Bearer to your IAP/IAM‑protected Cloud Run endpoint. Verify the token audience on the server and cache tokens with a small expiry buffer on the client. background.js async function getIdToken() { const redirectUrl = chrome.identity.getRedirectURL(); const u = new URL("https://accounts.google.com/o/oauth2/v2/auth"); u.searchParams.set("client_id", "YOUR_OAUTH_CLIENT_ID.apps.googleusercontent.com"); u.searchParams.set("response_type", "id_token"); u.searchParams.set("scope", "openid email profile"); u.searc…  ( 7 min )

A post by Promise obinna Charles  ( 6 min )

What’s Vibe Coding? It’s when you stop pretending you understand recursion at 3AM and just describe your dream app to an AI like you’re ordering at Starbucks: “Yeah, can I get a Python script with oat milk, extra async, no semicolons?” The AI spits out something. You run it. It errors. You vibe harder. You fix it by asking again. Suddenly—you’ve built a startup MVP and still don’t know how for-loops work. Why Everyone’s Vibing With It Junior devs: “Wait, I can look smart without stackoverflow open?” Senior devs: “Finally, I can vibe instead of writing boilerplate CRUD for the 900th time.” Managers: “If code vibes, project vibes. Ship it.” The Dark Side Your AI just wrote 500 lines of what looks like JavaScript… but it’s Python. Bugs become Pokémon. You don’t fix them—you just encounter them randomly and hope they faint. Your resume now says ‘Skilled in vibes and debugging vibes’. Pro Tips for Surviving Vibe Coding Name your project “Final_v12_REAL_THIS_ONE” from the start. Trust me. Write unit tests. Or don’t. Vibe. (But future-you will cry.) If it works: deploy. If it doesn’t: vibe harder. Will It Replace Real Coding? Not really. But your grandkids might ask you: tl;dr Vibe coding = whispering your dreams into an LLM and praying the compiler is merciful. It’s chaotic. It’s magical. It’s horrifying. It’s 2025. So tell me: are you Team “I Read Every Line” or Team “Let It Cook” ?  ( 6 min )

I have been referring to this article: "WIP is waste" from Thoughtbot by Jared Turner on multiple occasions and sharing it with my colleages. I know it is an opinion piece, but it echoes my own experience and perspective on work, projects, and tasks. The article is short, but it carries some good material. The essence is to get tasks out of WIP (Work In Progress) as fast as possible, because the longer something is in WIP and just having something in WIP is wasted value and postponed outcome and opportunity. The article outlines these examples: It’s done, I’m just waiting on a review It’s complete, I just need to do some final testing It’s ready, I just need to merge and deploy And the conclusions: Before a task is shipped it provides zero value. Any work in progress is pure cost. Two task…  ( 7 min )

Working Effectively with Claude: From Vibe Prompting to Context Engineering for Technical Content Sarah Guthals, PhD ・ Sep 19  ( 6 min )

A post by Promise obinna Charles  ( 5 min )

How to leverage AI as a collaborative tool for creating educational content that actually works In my recent post about The Mythical Vibe-Month, I wrote about how "vibe coding" (aka throwing prompts at LLMs and hoping for magic) creates fragile, context-free outputs. But here's what I didn't mention: the same principle applies to content creation. Over the past several months, I've been working with Claude to create technical documentation, blog posts, tutorials, and educational materials. Not through vibe prompting, but through what I call collaborative context engineering: treating Claude as a learning partner rather than a magic answer machine. The difference? Instead of expecting Claude to be the "sage on the stage" delivering perfect content from thin air, I position myself as the "gu…  ( 10 min )

Check out this Pen I made!  ( 5 min )

I want to share my experience working on OSD600 - Release 0.1. The project is a command-line tool that analyzes local Git repositories and generates a single, well-structured text file with repository content optimized for sharing with Large Language Models (LLMs). The idea is simple but powerful: instead of copy-pasting a few files and losing important context (project layout, dependencies, commit info), the tool packages structure, metadata, and code into a prompt-friendly format that makes asking an LLM about your repo much more effective. The tool is written in C++ and structured around small, focused modules so the code is easy to test and extend: CLI & Config - reads command-line options (like -h/--help, -v/--version, -o/--output, -i/--include) and stores them in a Config object for …  ( 8 min )

Welcome to my adventure learning Red Hat Openshift. My repository for this project is: Git repository I am trying to replicate the same scenario as I encountered in the companies I worked for. Usually they are: Offline environment (cluster does not have access to the internet). Different machines for each service (company wild load balance, DNS, DHCP managed by different servers) Network segregation (multiple networks for each part of the cluster) To see how my lab is configured and how it looks. Please check my dev.to blog post. Building my home lab Install Proxmox 9 I will be running everything into my proxmox server. The physical layer will look like this The virtual portion will be more like this: You need a properly configured DNS zone. Forward and reverse DNS records for all nodes. Wildcard DNS entry for application routes (e.g. *.apps.cluster.example.com). Internal name resolution between nodes. Balances traffic for: API servers (port 6443 – control plane access). Ingress controllers (HTTP/HTTPS routes for applications). All cluster nodes need synchronized time. Not strictly required if you use static IP addressing. For production workloads, you need persistent storage. This VM will be the bridge between our internal and external network and will also host the offline registry required for openshift installation files. My next post I will be building the VMs on proxmox. Stay tuned!  ( 6 min )

So, What Are Supply Chain Attacks? A supply chain attack is the hacker’s version of “why break the bank vault when you can bribe the guy making the vault door?” Instead of attacking your app directly, attackers poison the things you rely on: packages, dependencies, CI/CD pipelines, or even developer accounts. In open source ecosystems like npm, where developers casually npm install whatever shiny module makes their life easier, one compromised package can cascade into thousands of projects overnight. Where It Stands in OWASP? The OWASP Top Ten is essentially the top 10 vulnerability list. In 2021, it introduced A08: Software and Data Integrity Failures, a category warning about supply chain attacks. Fast-forward to 2025 and the problem hasn’t gone away—it’s only evolved. If anything, atta…  ( 7 min )

Just think for a while, what if you could fed any web page data to your AI agent, to just get you the exact info, answer or the summary of the content you're looking? Actually, you can that with ease with Scrapy + Zyte API Meet Fab 👨‍💻 So Fab decided to build an AI Agent that does it for him - fetching, reading, and summarizing everything in real time. That’s basically a custom RAG pipeline, powered by live web data & no longer limited to static PDFs or outdated docs. Why? bother data it can access: LLMs have knowledge cutoffs Real-time, domain-specific data (like finance) is crucial for decision making By tapping into live web data, Fab’s agent can keep up with the world as it happens - always relevant, always ready. But hold up ✋, summarizing/ answering isn't the same as taking reaal a…  ( 13 min )

Written by: James Derek Ingersoll Founder, GodsIMiJ AI Solutions | Executive Contributor, Brainz Magazine quantum-odyssey.com | dev.to/ghostking314 "They said it would take millions in funding and a team of PhDs to build a research assistant. We built it using modular tech, OpenAI APIs, and sovereign persistence. This is how." The PF–AI Simulation Lab is a sovereign, browser-based research platform designed to simulate, analyze, and interpret pulmonary fibrosis (PF) using a modular architecture, real-time AI tools, and persistent memory. It fuses Next.js, Firestore, OpenAI’s GPT-4, and a clean scientific UI into one powerful application — enabling scientists to model disease progression, interpret omics data, simulate imaging results, and even discover drugs, all in one place. This …  ( 9 min )

Ray Lozano brings a warm Indie R&B/Soul vibe with her COLORS debut, performing “HiYA” off her latest album SILK&SORROW. This A COLORS SHOW, created in partnership with Europe’s fashion icon KaDeWe, turns their legendary department store flair into a sleek music stage. COLORSxSTUDIOS is all about minimalistic setups that let standout artists shine—no distractions, just pure, glowing talent. Don’t miss their curated playlists or 24/7 livestream for more fresh sounds. Watch on YouTube  ( 6 min )

TL;DR For a hot minute in the early 2010s, everyone was stompin’, clappin’ and hoedown-ing to millennial-tinged Americana. This video traces the rise of the stomp-clap craze by highlighting the seven pivotal tracks that paved the way: the O Brother, Where Art Thou? soundtrack, Arcade Fire’s anthemic “Wake Up,” Bon Iver’s “Skinny Love,” Edward Sharpe & The Magnetic Zeros’ “Home,” Mumford & Sons’ “Little Lion Man,” Of Monsters and Men’s “Little Talks,” and, of course, The Lumineers’ smash “Ho Hey.” These songs sparked a rootsy, sincerity-over-irony movement that briefly dethroned Rihanna and Bruno Mars on the charts. Part nostalgia trip, part percussion overload, the stomp-clap era was a perfect storm of banjos, group vocals and earnest vibes—one that left a lasting footprint on indie folk and pop alike. Watch on YouTube  ( 6 min )

Live Transcribe Steam Gardens from Super Mario Odyssey After hearing that Steam Gardens got totally snubbed in the last “Top 5 Kondo One-offs” video, the creator’s decided to give it the spotlight it deserves with a live-transcription session. They’re all about fixing past oversights—and if you’re feeling extra supportive, there’s even some 8-bit merch up for grabs at their shop. Watch on YouTube  ( 6 min )

Ghost of Yotei: Everything You Need to Know Ghost of Yotei is shaking things up with a boatload of fresh weapons, a totally dynamic weather system that can turn the tide of battle, and a non-linear story path that lets you tackle missions in pretty much any order you want. Get ready for more freedom, surprise storms, and gear galore! Watch on YouTube  ( 6 min )

Lessaria: Fantasy Kingdom Sim just dropped its cinematic trailer, giving you a peek at its sweeping vistas, intriguing story beats, and the thrill of kingdom-building in real time. Developed by Rockbee Team, it blends a narrative-driven campaign with a relaxed sandbox mode—perfect whether you’re plotting grand conquests or just kicking back. Coming soon to PC on Steam (and already boasting a playable demo), Lessaria invites you to craft a truly unique realm. Go on, wishlist it now and get ready to reign! Watch on YouTube  ( 6 min )

Get ready to meet the Ventrue Clan in the upcoming Vampire: The Masquerade – Bloodlines 2, where high-society vampires from Seattle flaunt their unique clan affinities and passive abilities for a truly different RPG experience. The Chinese Room’s new trailer shines a spotlight on these power players and what makes them stand out. Bloodlines 2 sinks its fangs in on October 21, hitting PlayStation 5, Xbox Series X|S, and PC via Steam, Epic Games Store, and GoG. Don’t miss the Ventrue Clan reveal to see what dark delights await! Watch on YouTube  ( 6 min )

Break Arts 3 Official Launch Trailer Highlights Break Arts 3 just dropped its launch trailer—brace yourself for flashing and shaking visuals! This mech-based action shooter/racing mash-up from MercuryStudio lets you blast through futuristic tracks in fully customizable battle mechs with more tweakable parts than ever. Ready to race and wreck? Break Arts 3 is available now on PC via Steam—strap in, pick your loadout, and burn rubber (and opponents)! Watch on YouTube  ( 6 min )

Teens spend hours on social media every day, but the content they see isn't always harmless. Beauty filters promote unrealistic standards, peer group pressures amplify anxiety, and viral trends like the Blackout Challenge have led to hospitalizations and even deaths. Heavy screen time has been linked to sleep deprivation, low self-esteem, and disordered eating, which are problems product managers can't afford to overlook. The stakes go beyond individual users. Harmful content has triggered regulatory crackdowns, including new laws aimed at protecting minors online. Algorithms built to boost engagement often surface misinformation, hate speech, and toxic interactions, creating environments that put vulnerable users at risk. When you're building mobile apps or designing new features, reducin…  ( 12 min )

Here are the most common “stale closure” bugs in React and how to fix each, with tiny, copy-pasteable examples. setInterval using an old state value Bug: interval callback captured the value of count from the first render, so it never increments past 1. import React, { useEffect, useState } from 'react'; export default function BadCounter() { const [count, setCount] = useState(0); useEffect(() => { // ⚠️ stale closure: callback sees count=0 forever const id = setInterval(() => { setCount(count + 1); // always 1 }, 1000); return () => clearInterval(id); }, []); // empty deps -> callback never updated return {count} ; } Fix A (recommended): use functional state update (no deps needed). import React, { useEffect, useState } from 'react'; export defau…  ( 8 min )

In 2024, Facebook deleted 5.8 million posts because of hate speech infractions. This is only one platform and a single violation type. Every day, platforms and applications designed for user-generated content (UGC) get numerous uploads of text, audio, images, and video posts. The majority is benign and aligns with corporate policies, but some may be unsafe or breach legal standards. To maintain safety and fairness, the companies managing these platforms must establish and enforce guidelines and regulations as defined in a content moderation policy. In this article, you'll discover the key components for developing a successful content moderation policy. A content moderation policy is a comprehensive internal set of rules that defines what is allowed, restricted, or banned on a platform. Th…  ( 17 min )

I've been asked this question so many times over the years, so I thought I don't need to think about the answer. But maybe the right answer is now different? Any semiconductor company needs a lot of CAD tools. And while it's tempting (and rewarding) to develop your own "pet" tool, often this wasn't the best idea. Yes, such a tool will never be available to your competitors, which is a major selling point for the sponsor. With a home-grown tool you have full control over the list of features. Your own company decides how long it should be supported and when it's time to retire or refactor it. And you are insured from a sticker shock during the next EDA (Electronic Design Automation) contract renewal. However here is the hard truth: a tool productization and long-term support could easily ta…  ( 8 min )

A post by Joshua Omobola  ( 5 min )

Day 2 of my Java Backend Development journey was all about strengthening the foundations of Object-Oriented Programming (OOP) and exploring some modern Java features. Today, I dug deeper into packages, encapsulation, abstraction, inheritance, polymorphism, and lambda expressions. These concepts are the building blocks for scalable and maintainable backend applications. Packages in Java help organize classes into namespaces, avoiding name conflicts and improving modularity. They are like folders in a file system, grouping related classes together. Built-in packages: Provide ready-to-use utilities (java.util, java.io, java.sql, etc.). User-defined packages: Custom packages we create to organize our code. // File: com/example/utils/MathUtils.java package com.example.utils; public class MathU…  ( 9 min )

What is Manual Testing ? Manual testing is a software quality assurance process where tester manually execute the test cases to find the bugs and defects in the software without using any automated tools. 1. White Box Testing White box testing is a software testing technique that verifies an application's internal structure, design, and code. White box testing which focuses on a program's external functions, white box testing requires the tester to have programming knowledge and access to the source code. This approach is also known as clear box, glass box, or structural testing. 2. Black Box Testing Black box testing is a software testing method that evaluates an application's functionality without needing knowledge of its internal coding or structure. Testers focus on inputs and ou…  ( 9 min )

We've all been there. You're trying to set up a new development environment, and the age-old debate begins. Should you spin up a VM? Or should you just use Docker? Both are meant to solve the classic "it works on my machine" problem by creating isolated environments. For years, I thought of a container as just a "lightweight VM," but that's not quite right. While they both provide isolation, how they do it is fundamentally different. Understanding this difference is key to choosing the right tool for the job. So, let's break it down with a simple analogy: building a neighborhood. 🚀 At its core, virtualization involves emulating an entire computer, including the hardware. A piece of software called a hypervisor (like VMware or VirtualBox) sits on top of your physical machine's operating sy…  ( 8 min )

Artificial Intelligence (AI) has shifted from being a buzzword to a foundational technology powering nearly every industry today. From predictive analytics and natural language processing to computer vision and autonomous systems, AI has grown into a driving force behind digital transformation. Developers, engineers, and researchers are not just observers—they are the architects building this intelligent future. In this article, we’ll dive into the evolution of AI technology, its current applications, the challenges developers face, and the road ahead for the AI-powered world. A Brief History of AI The roots of AI stretch back to the 1950s when pioneers like Alan Turing asked, “Can machines think?” Early AI systems were rule-based, performing symbolic reasoning to solve narrow problems. Ho…  ( 9 min )

I’m Mitesh, an MCA student from Maharashtra, India, passionate about Full stack development, mobile applications, and exploring new technologies. I recently joined DEV to document my journey-sharing lessons, projects, and ideas as I grow as a developer. 🌱 What I’m Working On 🎯 Current Focus: Placement Prep & DSA 🤝 Let’s Connect I’d love to hear from fellow developers and learners: • What’s the best advice you received when starting your career? • Any must-solve DSA problems or hidden-gem resources or suggestions you recommend? Just looking forward to learning and building together. 🚀  ( 6 min )

When organizations manage cloud infrastructure with code, sensitive passwords and access keys often get saved in files where anyone with access can see them—creating major security risks. Terraform v1.10's "ephemeral" features solve this by using secrets temporarily without saving them permanently. Here's how MyCoCo went from failing security audits to achieving SOC 2 compliance by eliminating all exposed passwords from their infrastructure files. The Problem: Terraform state files store database passwords, API keys, and certificates in plaintext, creating major security and compliance risks. The Solution: Terraform v1.10's ephemeral resources exist only during execution—never written to state or plan files. They use a unique lifecycle: open → use → close. The Impact: MyCoCo went from fail…  ( 8 min )

Most AI design tools can spit out a nice one-off image. That’s the problem I built Brandiseer to solve: generating visuals that actually stay on-brand across every asset. *The Core Problem Startups, freelancers, and small businesses don’t just need pretty graphics. They need: Logos, decks, and socials that look like they belong together Consistency without hiring agencies or building design systems from scratch Speed — minutes, not weeks Traditional tools like Canva or AI image generators are great for novelty, but they don’t remember your brand. Every new prompt is a roll of the dice. *How Brandiseer Works _Brand Profile Creation AI extracts visual DNA → colors, fonts, layout rules, mood. Stored as a persistent Brand Memory for every future generation. _On-Brand Generation The result: visuals that match your existing look, every time. _Smart Editing Precision brush & mask tools when you need control. Still enforces the brand rules — edits don’t drift off-style. _Consistency Guarantee No more re-prompting or recreating templates. *Challenges & Lessons Prompt Drift: Generators don’t stay consistent by default. Solved with persistent brand memory. User Control vs. AI Freedom: Too rigid = boring, too loose = chaos. Still refining the balance. UX Gap: Founders want “one-click assets,” but designers want editing tools. Bridged both. *Why It Matters Consistency builds trust. Brandiseer’s bet: the future of AI design isn’t just about making things fast — it’s about making them consistent. *👉 I’d love feedback from devs: How would you enforce “style persistence” in a generative pipeline? Any clever approaches you’ve seen for keeping visual systems stable across multiple outputs?  ( 7 min )

Originally published on the LaunchDarkly Documentation Build a working multi-agent system with dynamic configuration in 20 minutes using LangGraph multi-agent workflows, RAG search, and LaunchDarkly AI Configs. Part 1 of 3 of the series: **Chaos to Clarity: Defensible AI Systems That Deliver on Your Goals** You've been there: your AI chatbot works great in testing, then production hits and GPT-4 costs spiral out of control. You switch to Claude, but now European users need different privacy rules. Every change means another deploy, more testing, and crossed fingers that nothing breaks. The teams shipping faster? They control AI behavior dynamically instead of hardcoding everything. This series shows you how to build LangGraph multi-agent workflows that get their intelligence from RAG searc…  ( 13 min )

Day 4 of My JavaScript Visual Series 📚✨ 💡 JavaScript Truthy & Falsy Values – Made Simple const firstName = ""; const nickName = "Azzu"; console.log(firstName || nickName); // Output: Azzu ✅ If firstName is falsy (like ""), JS smartly picks the next truthy value. Some real-life examples: let fname = ""; let mname = undefined; let lname = null; console.log(fname || mname || lname); // Output: null -------------------------------------------------- let a = 12; let b; console.log(a + b); // Output: NaN -------------------------------------------------- let c = 12; let d; console.log(c + (d || 0)); // Output: 12 👉 || returns the first truthy value and let f_name_1 = "Azaan"; let f_name_2 = ""; let ans = f_name_1 && f_name_2; console.log(`Name-${ans}`); // Output: Name- -------------------------------------------------- let f_name_3 = "Azaan"; let f_name_4 = null; let ans2 = f_name_3 && f_name_4; console.log(`Name-${ans2}`); // Output: Name-null const PORT = process.env.PORT || 5000; console.log(3 || 2 || 1); // ? console.log("" || 0 || 2); // ? console.log(null || 2 || 3); // ? console.log("" || 0 || undefined); // ? console.log("undefined" || "null" || 2); // ? console.log(3 && 2 && 1); // ? console.log("" && 0 && 2); // ? console.log(undefined && "null" && 2); // ?  ( 6 min )

When organizations store Terraform state files, they're essentially creating blueprints of their entire infrastructure that hackers would love to access. Even encrypted storage isn't enough if the data inside reveals architectural vulnerabilities, database locations, and system dependencies. Here's how MyCoCo transformed a three-hour public exposure incident into enterprise-grade state security that passed rigorous compliance audits. The Problem: Terraform state files expose infrastructure architecture, resource relationships, and system dependencies even without credential leaks—creating reconnaissance goldmines for attackers. The Solution: Layered state security combining remote backends, encryption at rest/transit, access controls, and audit logging across multiple protection levels. Th…  ( 10 min )

Transform Your React Applications with the Ultimate Content Editor Component The Story Every Developer Knows Too Well Picture this: You're building the next big content platform. Your users are excited, your vision is clear, but then reality hits. The basic textarea field looks amateur. Third-party editors break your design. Custom solutions would take months to build. Sound familiar? Meet Aanya, a product manager at a growing SaaS company. Her team spent 8 weeks building a custom editor from scratch – only to discover it lacked markdown support, had accessibility issues, and crashed on mobile devices. Users complained. Development stalled. The launch was delayed. Then there's Marcus, a senior React developer who tried integrating five different editor libraries. Each one eith…  ( 11 min )

Deciding which tools to use while building a React web application is subjective, but in this post, I will propose a minimum set of tools needed to build a simple React application. This post will help you to build and get the React application up and running in just a few minutes. Vite is now the go-to choice for most of the developers while building a React application from scratch. I wrote a detailed article about why is that the case — "Create React App (CRA) is Deprecated, Officially: What's Next?". Vite will take care of the build process and bundle React in a javascript bundle ready to be deployed. As a matter of fact, Vite provides React templates which you can use to quickly spin-up a Vite/React repository — "Scaffolding Your First Vite Project". npm create vite@latest my-react-ap…  ( 8 min )

If you want ReactJS Folder Structure, You can get from here: Recommended Folder Structure for React 2025 A common and effective folder structure for a Node.js web application with Express in 2025 is based on the service-layered architecture or feature-based organization, which promotes separation of concerns, scalability, and maintainability. In this article, I have explained both feature-based organization and service-layered architecture, Now by end of this article, You will choose one. I personally follow feature-based architecture. Tell me in comments which one you liked? Now, lets see how to structure our node projects, Lets go... The goal is to move beyond a simple, monolithic app.js file and organize code into logical, reusable components. This helps with: Scalability: The applicati…  ( 12 min )

As artificial intelligence (AI) models become more sophisticated, their ability to interact with and act upon the real world becomes a crucial next step. However, a significant barrier has been the lack of a standardized, secure, and reliable way for AI systems to access external data sources and execute actions. This is particularly true for decentralized systems like blockchains, where data is transparent but access and interaction are often siloed and require specialized, custom-built connectors. The Model Context Protocol (MCP) was introduced to address this problem by providing a universal interface for AI models to consume data and utilize tools from external systems. This article explores how MCP bridges the gap between AI and blockchain technology. We will delve into how the protoc…  ( 10 min )

Ditch Redux Already?! Building Scalable State with Recoil & React that Doesn’t Drive You Insane If you’ve ever wrestled with Redux in a large-scale React app and found yourself knee-deep in boilerplate hell and repetitive actions/reducers/selectors—this post is for you. We're about to investigate a state management solution that might finally let you sleep well at night: Recoil. This isn’t just another “use Recoil instead of Redux” post—it's a guided breakdown of real-world patterns using Recoil to manage global and derived state, async data, and how all of it scales beautifully. We'll look at how Recoil fixes pain points Redux doesn’t even acknowledge exist, and why this could be the future of React state management. React brought us components. Then came Context for global state. Then …  ( 10 min )

By Raj SInghal If you've ever used Linux or Docker, you've seen something that feels like magic: creating a full copy of a process in the blink of an eye. For a long time, I just accepted it worked. But how does it actually do that without slowly copying gigabytes of data? The secret is a brilliant, almost deceptively simple strategy called Copy-on-Write (CoW). This article will: Demystify the core concept of CoW. Explore its best and most classic example: the fork() system call. Showcase why this "lazy" approach is a game-changer for performance. Copy-on-Write (CoW) is an optimization strategy where a resource is shared between multiple users, and a copy is only made at the exact moment one of them tries to modify it. Instead of eagerly duplicating a resource upfront, the system shares it…  ( 9 min )

Things to do when bored for students during quarantine Unlock Your Quarantine Potential: Fresh Things to Do When Bored for Students Let’s face it: quarantine boredom is real. For students, the shift from bustling campuses and lively classrooms to the four walls of home can feel stifling. The days blur together, motivation wanes, and that dreaded question—“What now?”—looms large. But here’s the good news: this period of isolation is also a golden opportunity to explore, create, and grow in ways you never imagined. If you’re tired of scrolling mindlessly or rewatching the same shows, this guide is for you. We’ve curated a list of engaging, practical, and fun things to do when bored that are tailor-made for students navigating life during quarantine. 1. Dive Into a Skill-Based Hobby Qu…  ( 8 min )

Introduction Behind every successful project lies a solid strategy for managing resources and teams. Without clear direction, projects can quickly run into delays, budget overruns, or conflicts. A Resource and Team Management Plan for Project Success provides a roadmap to allocate resources effectively, guide team performance, and align efforts with overall objectives. A Resource and Team Management Plan is a project management document that specifies how resources will be assigned and how the team will operate throughout the project lifecycle. It ensures that people, budgets, technology, and tools are used optimally while promoting collaboration and accountability within the team. By mapping out resources and roles, teams stay aligned with project objectives, reducing miscommunication a…  ( 7 min )

Managing logs at scale can be painful, especially when all of them end up in the same Kafka topic. What if you could route logs into pod-specific topics (or any custom topic) directly from Fluent Bit? This makes filtering and querying much easier, especially in multi-tenant or large Kubernetes environments. In this post, we’ll explore how to set up dynamic Kafka topics in Fluent Bit using Kubernetes metadata. Fluent Bit’s Kafka output plugin supports dynamic topic assignment using Dynamic_topic on and Topic_key. However, the documentation is vague about using nested fields, which is the case for kubernetes metadata fields, as the topic key. Example: { "timestamp":"2025-05-13T19:27:31.954980134Z", "log":"Server is listening on port 5000", "kubernetes":{ "namespace_name":"defa…  ( 8 min )

Adam Savage drops by the National Park Service Museum Conservation Lab to learn from paper conservator Allison Holcomb how to concoct a silicone “leather” patch for filling cracks and losses in old books—because in conservation it’s just as much about how light plays on the repair as the material itself. Along the way we get a wink at the lab’s own drama: their lease was canceled by Doge but has now been extended for another year. Want to keep this quiet hero of historical preservation alive? Visit a national park, tell your reps you value the NPS museum conservation lab, or donate to the National Park Conservation Association. And of course, you can follow more conservation shenanigans via YouTube, Instagram, TikTok and wherever Tested and Adam Savage hang out. Watch on YouTube  ( 6 min )

Mei Semones tore through a live KEXP session on July 25, 2025, dropping four tracks—“Dumb Feeling,” “I Can Do What I Want,” “Tora Moyo” and “Kodoku”—with her crew: Ransom McCafferty on drums, Noam Tanzer on bass, plus Claudius Agrippa’s violin and Noah Leong’s viola. Host Cheryl Waters keeps the conversation flowing while Kevin Suggs and Matt Ogaz lock in crisp audio. Filmed by Jim Beckmann, Carlos Cruz, Scott Holpainen & Ettie Wahl and edited by Beckmann himself, this performance captures Semones’ raw energy and musical chemistry. Dive into the full session at meisemones.com or kexp.org, and snag extra perks by joining KEXP’s YouTube channel. Watch on YouTube  ( 6 min )

HYPERFUNK Teaser Trailer Team Reptile’s upcoming Hyperfunk is an extreme trick-and-graffiti roller jam where chaining combos amps up your boost. Join crew MACH10, tag walls, pull off insane grinds and compete in dynamic style wars—or just kick back and shred online with friends. Soundtracked by Dj Zapy & Dj Uragun’s “Sch Amo (Hyper Version),” Hyperfunk is rolling onto PC and consoles soon (names and details still subject to change). Watch on YouTube  ( 6 min )

Magic: The Gathering just unveiled its next set, themed entirely around Marvel’s Spider-Man, with a trailer that swings between live-action and comic-style animation. Yuri Lowenthal returns as Spider-Man’s voice, adding an extra layer of nostalgia to this web-slinging crossover. Watch on YouTube  ( 5 min )

The LLMOps platform revolutionizing how teams build and deploy AI applications Dify has emerged as a game-changing platform in the rapidly evolving landscape of Large Language Model operations. Founded by former members of Tencent's CODING DevOps team, Dify simplifies the complexities of building and deploying AI-native applications through visual orchestration, prompt engineering, and comprehensive LLMOps capabilities. The name "Dify" combines "Define" and "Modify," reflecting its mission to help users define and continuously improve their AI applications. With its open-source approach and focus on making AI application development accessible to both developers and non-developers, Dify represents a significant step toward democratizing AI development. We analyzed Dify's collaboration patt…  ( 8 min )

Why Nginx Needs a Security Overhaul Even though Nginx is renowned for speed and reliability, a default installation leaves a lot of attack surface exposed. As an SRE you’ll quickly discover that a few configuration tweaks, firewall rules, and a lightweight intrusion‑prevention tool like Fail2Ban can turn a plain HTTP server into a hardened, production‑ready gateway. In this guide we’ll walk through: Enforcing strong TLS with modern ciphers. Locking down the network layer using ufw. Deploying Fail2Ban to block brute‑force attempts. Automating certificate renewal with Certbot. All steps are reproducible on any recent Ubuntu or Debian box. sudo apt update && sudo apt install -y certbot python3-certbot-nginx sudo certbot --nginx -d example.com -d www.example.com The wizard will ask you whet…  ( 8 min )

Introduction If you’re a DevOps lead tasked with rolling out a Docker‑centric CI/CD pipeline, a solid checklist can keep you from missing critical steps. This guide walks you through the essential pieces—from image hardening to monitoring—so you can ship code fast and keep your environment safe. Branch protection: Require pull‑request reviews and status checks before merging to main. Secret scanning: Enable tools like GitGuardian or TruffleHog to catch API keys early. Commit linting: Enforce conventional commits to keep changelogs readable. A well‑crafted Dockerfile reduces attack surface and improves build speed. # Use an official, minimal base image FROM python:3.12-slim-alpine AS builder # Set a non‑root user early ARG USERNAME=appuser ARG USER_UID=1001 ARG USER_GID=$USER_UID RUN add…  ( 8 min )

Apple is a company defined by its secrecy. From unannounced products to its famously guarded design process, it operates like a fortress. Inside this fortress, they’ve historically built their own tools for their own people. It’s a workflow that has given us some of the most iconic product designs of the last two decades. But the design world outside that fortress has changed. Tools like Figma have revolutionized how teams collaborate, prototype, and build software. This raises a fascinating question: could Apple, the bastion of proprietary software, ever adopt a collaborative, cloud-based tool like Figma to build something as crucial as iOS 26? Let's imagine a world where this happens. What would it look like, and what would it mean for the rest of us? First, let's appreciate why this is …  ( 8 min )

I just recovered my lost bitcoin, wow I can’t believe it really happened. I’m so speechless and grateful. I have been looking for a way to invest and save money for my kids and future plans. I ended up with an investment company. I invested a huge amount of money with them but they turned out to be a scam company . I can’t just watch that kind of money go, how can I loose $217k. All thanks to my late wife brother whom introduced me to recoverydarek AT gmail. com my lost bitcoin is now resting on my coin base wallet as I speak to you right now my all my funds has been recovered. What are the moderators doing?  ( 6 min )

Divine Money Manifesting: The Complete Program Breakdown If you're looking for the complete Divine Money Manifesting program by Sandy Forster, this page provides a transparent, exhaustive look at exactly what you will receive. Our goal is to give you all the information to make a confident and secure purchase. Original Program Value: ~~$1,111~~ Your Secure Price Today: $54 You Save: $1,057 https://coursesdrop.com/course/divine-money-manifesting-by-sandy-forster/ This program is designed to transform your skills. You will learn to: Transform limiting money beliefs through proven mindset reprogramming techniques Master manifestation methods that combine Law of Attraction with neuroscience Align chakras and energy centers to remove blocks preventing wealth flow Apply practical financial st…  ( 9 min )

A Better Landing Page for Netflix L:) indeed  ( 5 min )

Tests on monitoring LLM based application by Grafana/Prometheus Ever wonder what’s really happening under the hood of your applications? How many users are clicking that “Summarize” button? How long does it take your AI to respond to a query? In the world of software, answers to these questions are crucial for performance, reliability, and user experience. That’s where Grafana and Prometheus come in, forming a dynamic duo for application monitoring. Imagine you have a bustling restaurant. Prometheus is like the diligent waiter, meticulously noting down every order, how long each dish takes to prepare, and how many times someone asks for water. Grafana, on the other hand, is the head chef’s big-screen display in the kitchen, showing real-time trends: “Are we getting too many pasta orders?”…  ( 13 min )

PokeShani is a platform built for creators to sell digital products—courses, ebooks, tools, and more—while keeping 100% of their revenue. It started as a solution to a simple problem: creators often face delays, fees, and complicated setups when selling online. I built PokeShani to simplify this process, giving creators full control over their products, instant payouts, and a smooth, hassle-free experience. What began as a small project quickly grew into a platform for anyone looking to sell digital products efficiently. Since going live, we’ve had some exciting milestones: First sale: A creator named Deanetay Shannon made the first purchase on the same day they signed up. A historic moment for us! Growing community: We’ve reached 100+ signups from creators eager to list their digital products. Products listed: 41 unique products are now available, ranging from courses to ebooks and more. What’s kept us going is seeing creators succeed without friction. PokeShani isn’t just a platform; it’s a small revolution in digital selling. If you’re a creator looking to sell your digital products hassle-free, come join us at PokeShani.com  ( 6 min )

Nourish With Relma: Simple Nutrition for Better Living in Mysore Good health begins on your plate. In today’s busy world, many people struggle with weight gain, low energy, and lifestyle problems. Medicines may give short-term relief, but true wellness comes from the food we eat every day. Nourish With Relma believes in food as medicine to improve health naturally. Why Choose Nutrition Guidance? Many people try crash diets, fasting, or random online tips, but most fail because: They are difficult to follow daily. They do not suit personal health needs. They focus only on fast weight loss, not complete wellness. Relma’s nutrition plans are practical, simple, and designed to fit your body, lifestyle, and health goals. Services by Nourish With Relma Weight Loss Plans – steady and safe with ba…  ( 7 min )

If you’ve been meaning to dive into Laravel (or guide someone new into the ecosystem), there’s great news: Laravel has officially launched Laravel Learn, a free learning hub packed with beginner-friendly courses. 👉 Check it out here: https://laravel.com/learn In this post, I’ll break down what Laravel Learn offers, why it’s such a big deal, and how it can change the way newcomers step into Laravel. 🚀 What Is Laravel Learn? Laravel Learn is a brand-new, official learning platform by the Laravel team. The big difference? Unlike traditional tutorials that assume some PHP experience, Laravel Learn meets you right where you are — even if you’re completely new to PHP. 🎓 The Two Free Mini-Courses Currently, Laravel Learn launches with two free courses, both created by experienced instructors. …  ( 8 min )

We just shipped the MVP of **Pocket Portfolio** (OSS, privacy-first). This post shows the exact **CSP**, **CORS**, and **Service Worker** setup we used to keep things fast *and* safe on Vercel + Firebase. > TL;DR: Lock down third-party origins, cache UI not money, and never let your SW hijack `/api/*`. --- ## 1) Content Security Policy (CSP) Our policy lives in `vercel.json` headers. The key is allowing what Firebase Auth *actually* uses (`apis.google.com`, `accounts.google.com`, `gstatic`) and any CDNs you intentionally rely on. ``` json { "headers": [ { "source": "/(.*)", "headers": [ { "key": "Content-Security-Policy", "value": "default-src 'self'; script-src 'self' 'unsafe-inline' https://cdn.tailwindcss.com https://cdn.jsdelivr.net h…  ( 7 min )

The mobile development landscape has evolved dramatically, but one challenge has remained constant: extending React Native applications to the web requires complex webpack configuration that can take days to set up properly. What if I told you there's now a single command that eliminates this entire headache? Building cross-platform applications with React Native is fantastic for iOS and Android, but when stakeholders inevitably ask "Can we also deploy this to the web?", developers often cringe. The traditional approach involves: Manual webpack configuration setup Installing and configuring multiple babel loaders Resolving module conflicts between React Native and web environments Debugging cryptic build errors for hours Maintaining separate build configurations This process typically cons…  ( 7 min )

Note: Get the source code from https://gitlab.com/som.mukhopadhyay/CountDownLatche In this post i have tried to show an example using CountDownlatch, a synchronizer in Java concurrency framework. package com.somitsolutions.training.java.ExperimentationWithCountdownLatch; import java.util.concurrent.CountDownLatch; import java.util.logging.Level; import java.util.logging.Logger; public class CountDownLatchTest { public static void main(String args[]) { final CountDownLatch latch = new CountDownLatch(3); Thread service1 = new Thread(new Service("Service1", 1000, latch)); Thread service2 = new Thread(new Service("Service2", 1000, latch)); Thread service3 = new Thread(new Service("Service3", 1000, latch)); service1.start(); service2.start(…  ( 6 min )

When I taught my son #Ridit and many other students about Python, I had to cover the subject of the Design Patterns implemented in Python. That was almost 2 years ago. Now again as my son is planning to delve into Fluid Simulation, there are some software in which the scenes are developed in Python. Hence, again I am trying to open the PyCharm and practicing Python. Here is the Command Pattern being implemented in Python. We have taken the same Restaurant problem which has Chef, Waiter, and Order classes participating in this design pattern. The idea of Command Pattern is that the decoupling between the invoker of the command and the executor. The command is kind of a full-fledged object having all knowledge about the executor of the command meaning the command will have a reference to the…  ( 6 min )

AI adoption is rapidly transforming businesses across industries, with many companies relying on cloud providers for the latest AI capabilities. However, one critical risk is often overlooked in the rush to deploy: vendor lock-in. When businesses become reliant on a single vendor for AI and cloud services, they may unknowingly restrict their ability to innovate, control costs, and maintain operational flexibility. The recent collapse of Builder.ai, a once $1.3B AI platform, exposed a dangerous reality: businesses that depend too heavily on a single cloud vendor face serious risk. Let’s explore how much it is costing businesses today and how it could hinder future success. The Hidden Cost of Vendor Lock-In Cloud providers offer AI solutions that promise quick deployment and ease of us…  ( 9 min )

When I first started studying the Gang of Four book back in 2003-2004, it was an absolutely new thing to me. I must admit today that not everything became clear at that time. But gradually, the knowledge is being imbibed, and now while teaching my young son Ridit on this subject, I just love it. Moreover, as I am now comfortable with three languages namely C++, Java, and Python, recreating the stuff for various languages looks pretty easy now. So, today, I am rewriting the Composite Design Pattern in Python. Here goes the Composite Design Pattern implemented in Python. I hope you will like it. ``` from abc import ABC, abstractmethod class Shape(ABC): def __init__(self): self.parent = None @abstractmethod def add(self, shape): pass @abstractm…  ( 7 min )

Ray3 Emerges: Luma AI and Adobe's Bold Bid in Generative Video\n\nThe landscape of generative AI video is witnessing an explosive growth phase, with technological advancements rapidly transforming how digital content is created. Giants like Google have already made significant strides with their own sophisticated generative video models, pushing the boundaries of what's possible in AI-powered creation. Now, a formidable new partnership has arrived to shake up this competitive arena: Luma AI, renowned for its innovative NeRF technology, has teamed up with Adobe, the undisputed leader in creative software, to unveil Ray3\. This groundbreaking generative video model is explicitly designed to rival the capabilities of existing high-end solutions, signaling a new era of accessibility and qualit…  ( 13 min )

It’s never been more expensive to stay in Nintendo’s good graces: the launch of the Switch 2, blockbuster first-party exclusives, fresh amiibo waves and DLC add-ons are all draining wallets in 2025. Still, with must-have games and collectibles dropping left and right, true fans can’t help but keep spending. Watch on YouTube  ( 6 min )

Goddess of Victory: Nikke is teaming up with Resident Evil for a killer crossover event called “Reborn Evil,” dropping on September 24, 2025. Players on PC, iOS, and Android will unlock fan-favorite heroes Jill Valentine, Ada Wong, and Claire Redfield as playable Nikkes in this sci-fi RPG shooter mash-up. The mini-story sends the A.C.P.U. Squad, D, and the Commander into the crumbling halls of a forgotten mansion to investigate a nasty NEO-Virus outbreak—only to bump into Jill and her crew. Expect plenty of tense survival-horror vibes mixed with high-octane gunplay. Watch on YouTube  ( 6 min )

There was a time when résumés ruled everything. One page, Times New Roman, bullet points of duties you barely remember doing. That era? Pretty much done. In 2025, portfolios are quietly becoming the real hiring standard—and honestly, it makes sense. A couple of years back, I applied for a dream role at a startup I loved. I polished my résumé, ran it through ATS checkers, even tweaked the wording to match their job description. Crickets. Out of frustration, I sent the hiring manager a link to a quick Notion page I’d thrown together with some examples of my past work. The next day? I had an interview. It wasn’t my résumé that got me in the door—it was the proof of what I could actually do. Think about it from a recruiter’s perspective. Résumés tell, portfolios show. I know a designer, Mark, …  ( 7 min )

After getting my front-end live on S3 + CloudFront in Chunk 1, it was time to give it some brains. 🧠 The goal for this stage: visitor counter (hit counter → visitor counter) to my portfolio website. This wasn’t just about displaying a number, it was about learning how to stitch together AWS Lambda, API Gateway, DynamoDB, and IAM into a working serverless backend. The stack I chose: DynamoDB → store visitor data (IPs + visit counts). Lambda → serverless compute that updates/query the table. API Gateway → REST API to expose the Lambda function securely. IAM Roles → restrict who/what can read/write from DynamoDB. Here’s the flow: Browser → API Gateway → Lambda → DynamoDB On page load, the API Gateway calls the Lambda function, which fetches & updates the DynamoDB table. The number is then d…  ( 9 min )

Monte Carlo Simulation, also known as the Monte Carlo Method or a multiple probability simulation, is a mathematical technique, which is used to estimate the possible outcomes of an uncertain event. The Monte Carlo Method was invented by John von Neumann and Stanislaw Ulam during World War II to improve decision-making under uncertain conditions. Unlike a normal forecasting model, Monte Carlo Simulation predicts a set of outcomes based on an estimated range of values versus a set of fixed input values. Problem: the probability of three heads and two tails for a coin tossed five times (assuming a fair coin) Problem: The probability of getting three consecutive Heads at the beginning if a coin is tossed 5 times The Mathematical model of Monte Carlo written in Python import random def calcul…  ( 7 min )

A post by Federico Moretti  ( 5 min )

Quick Summary: 📝 The slog-context Go library provides utilities for integrating structured logging (slog) with Go's context package. It allows adding and retrieving loggers from contexts, adding attributes to contexts for automatic inclusion in log lines, and extracting custom context values like OpenTelemetry TraceIDs for logging. ✅ Effortlessly integrate structured logging with context. ✅ Store loggers directly in the context for easy access. ✅ Automatically add contextual attributes to log lines without modifying every logging call. ✅ Seamless integration with OpenTelemetry for improved observability. ✅ Supports both slog and logr logging interfaces for maximum flexibility. Project Statistics: 📊 ⭐ Stars: 138 🍴 Forks: 6 ❗ Open Issues: 1 ✅ Go Tired of wrestling…  ( 7 min )

ইংরেজি যেহেতু আমাদের মাতৃভাষা না, তাই এই ভাষা শেখা টা একটু কষ্টসাধ্য। তবে বর্তমানে অনেক ফ্রি অ্যাপস, ভিডিও বা কোর্স আছে যেগুলো ইউজ করে দ্রুত সেই সমস্যার কাটিয়ে উঠা সম্ভব। আমাদের উচ্চারণ বা ফ্লুয়েন্সি নেটিভদের মতো হবে না, বা সেটা হয়ত অনেক লং টার্ম গোল হতে পারে। আমাদের উচিত ২য় ভাষা হিসাবে যতটুকু জানলে আমাদের পড়াশোনা বা চাকুরির ক্ষেত্রে সাহায্য করে সেটুকু আগে রপ্ত করা। তারপর ধীরধীরে আরও উন্নতি করতে করতে এক সময় ইংরেজির দক্ষতা আরও উপরে নিয়ে যাওয়া। লেখাটা মূলত আমার WordPress Support Engineer Resources এর অংশ বিশেষ। যারা নিজেদের সাপোর্ট ইঞ্জিনিয়ার হিসাবে গড়ে তুলতে চান, তারা উক্ত রিসোর্স ফলো করতে পারেন। 🆓 - Free 👌 - Recommended ❤️ - Favorite Determine your desired level (beginner, conversational, fluent). Set a daily practice time such as 10-30 minutes per day. Focus on high-frequency …  ( 7 min )

TL;DR: Privacy lawsuits in 2025 aren’t won by theories — they’re won by evidence. If you’re dealing with CIPA (California Invasion of Privacy Act) or GDPR, you need more than cookie banners and policies. You need forensic-grade logs, screenshots, and legal mapping that stand up in court. That’s what this guide is about: how to turn tracking activity → admissible courtroom reports. Why Evidence Matters (Not Just Policy Text) Privacy lawsuits are exploding: CIPA §638.51 in California → covers trap-and-trace style interception. GDPR Articles 5–7 in Europe → require lawful basis before data collection. 👉 The core issue: timing of consent. And screenshots alone? They won’t cut it. Courts want HAR logs, DNS captures, payload headers, and mapped statutes. What Counts as Admissible Evidence Think…  ( 7 min )

In everyday API development, mocking is almost unavoidable. Whether it’s fast iteration at the early stage of a project or when an endpoint isn’t ready yet, mocking ensures front-end development continues smoothly—even without real backend data. Imagine this scenario: Pay Now," your front-end calls the backend /pay endpoint, which should return something like: { "data": { "code": 0, "message": "success", "pay_dtime":"2025-08-10 10:00:00", "order_id":"sn12345678" } } But the problems are: The backend isn’t ready, so you can’t test the post-payment flow. The payment API depends on an external gateway, not configured in the test environment. Some endpoints require complex authentication or data prep, making them unusable early. Waiting on backend devel…  ( 7 min )

Contact centers serve customers from diverse linguistic backgrounds, creating unique communication challenges. They connect customers and agents across continents—but language isn’t the only hurdle. Even when both parties speak the same language, accents, dialects, and speech patterns can create communication friction. Miscommunication across parties caused by an unfamiliar accent can snowball into longer handling times, repeated clarifications, and frustrated customers. Over time, these small disconnects erode customer satisfaction and inflate operational costs. Accent conversion software for contact center has bridged these gaps. The technology uses advanced AI and speech processing to dynamically neutralize accents in real time. The platform preserves emotional tone and natural speech f…  ( 9 min )

🌟 Becoming Terraform-Ready: Real-World EKS Deployment of a 3-Tier App Pravesh Sudha for AWS Community Builders ・ Jul 1 #docker #aws #terraform #kubernetes  ( 5 min )

WordPress form plugins are no longer limited to just contact forms. Currently, you can use form plugins for booking, subscriptions, CRM integration, product sales, and more! If you want, you can even use the form plugin's API to create your own integrations. There are many free form plugins for WordPress. But most are not free, rather lite versions. To be direct, the plugin available on WordPress.org is usually a limited feature lite version, where you won't get many things. You have to purchase the paid version to unlock all features. Even if the plugin name doesn't include "Lite", the following plugins don't allow all fields, settings or options such as form submission, reCaptcha, pre-made form templates, form submission export. Many basic fields are also locked. Only installing the pro …  ( 8 min )

Laravel MCP is a library that allows you to build Model Context Protocol (MCP) servers within your Laravel applications. It provides a structured method for AI clients, such as ChatGPT, Claude, and Cursor, to interact with your application's functionality. The public beta for Laravel MCP was launched around September 18, 2025. The Model Context Protocol (MCP) is an open standard that enables AI assistants to securely connect with and utilize external tools and data sources. Instead of creating custom integrations for each AI model, MCP offers a universal API specifically designed for AI agents. Laravel MCP supports the three main primitives of the protocol : Tools: Allow AI agents to perform actions and execute code. This can range from sending an email to creating an invoice in your ap…  ( 10 min )

The kickoff workshop starts at 6–7 PM (UTC). Registration is still open. Don’t miss out. Register now via Luma: https://luma.com/koen723f 📌 Once registered, check your confirmation email for the Discord invite link. Join, introduce yourself, and get ready for the sessions.  ( 5 min )

If you’ve sat through a cloud keynote lately, you’ve heard the terms multi-cloud and hybrid cloud. They sound futuristic — but behind the buzz are two very different strategies. Multi-cloud is about choice and resilience: pick the best tool from AWS, Azure, GCP, or smaller providers, and never get stuck with one vendor’s bill. The tradeoff? More complexity, more dashboards, and higher skill requirements. Hybrid cloud is about governance: keeping sensitive data or legacy systems on private infrastructure while bursting elastic workloads into the public cloud. Great for banks, healthcare, and government. Less great for small startups that just need to ship. Both approaches are valid, but neither is magic. The smartest teams focus less on buzzwords and more on execution: portability, observability, and cost control. So — is your company leaning into multi-cloud flexibility, or keeping things hybrid for compliance?  ( 6 min )

In recent discussions within the developer community, a pivotal issue has emerged: the need to raise $200k to liberate JavaScript from Oracle's licensing constraints. JavaScript, the cornerstone of modern web development, powers everything from interactive user interfaces to complex server-side applications. However, the implications of Oracle's stewardship raise questions about the language's future adaptability and community-driven innovation. This post delves into the intricacies of this initiative, exploring its technical ramifications, potential impacts on the JavaScript ecosystem, and actionable steps for developers to engage with this movement. Oracle's control over Java has historically been a contentious topic, particularly as it relates to JavaScript. While JavaScript itself is n…  ( 8 min )

What I Liked Futa-First, No Filters: Purpose-built for futa fans; uncensored chat, images, and voice in one place. Deep Character Creation: Looks, voice, personality, kinks, and presets—then refine as she learns you. On-Demand Images & Voice: Generate scenes in chat and switch to voice notes for immersive roleplay. Persistent Memory: Remembers preferences and boundaries; sessions feel continuous. Straightforward Pricing: Monthly, quarterly, annual, plus optional tokens for extras. No Native Mobile App (Yet): Web app works well, but app-store installs would be convenient. Limited Social Discovery: No robust community feed or sharing tools at launch. Learning Curve for Power Users: Best results come after tuning prompts and memories. DRT.fm entered a crowded AI companion market by doing on…  ( 8 min )

⚔️ AOT Showdown: .NET vs Java in 2025; Who’s really production-ready? In the race to optimize startup time, memory footprint, and deployment simplicity, Ahead-of-Time (AOT) compilation has become a game-changer. Both .NET and Java have embraced AOT, but not equally. If you're building microservices, serverless apps, or containerized workloads, knowing which platform delivers a smoother AOT experience can save you hours of frustration. AOT compiles your code into native machine instructions before runtime, unlike Just-In-Time (JIT) compilation, which happens during execution. This means: Faster startup Lower memory usage No runtime dependency on the VM or runtime engine But the devil’s in the details. Microsoft introduced Native AOT as a first-class citizen in .NET 7 and refined it in .NET …  ( 7 min )

Durante minha trajetória profissional, muitas vezes me vi em busca de um objetivo utópico: escrever o código perfeito. Refatorava, revisava, reescrevia. Olhava para cada detalhe como se, em algum momento, existisse um estado ideal em que o código finalmente fosse intocável. Adivinha? Esse momento nunca chegou. E não é porque eu falhei. É porque o código perfeito NÃO existe. O que existe é o melhor código possível dentro do contexto atual: considerando as prioridades da companhia, as pressões de negócio, o tempo de entrega e até a maturidade do time. A obsessão pelo “código perfeito” é perigosa porque ignora uma realidade simples: nós, desenvolvedores, somos protetores do código, sim, mas também somos entregadores — e somos pagos para entregar valor. Isso significa que, o tempo todo, pr…  ( 9 min )

The Shocking Reality: AI is Making Development Less Secure A bombshell 2025 report from Veracode reveals what security experts feared: 45% of AI-generated code introduces OWASP Top 10 vulnerabilities. Even more alarming - AI tools fail to prevent Cross-Site Scripting (XSS) attacks 86% of the time. This isn't just a statistic. It's a wake-up call for every developer using GitHub Copilot, ChatGPT, or Claude to accelerate their coding. Cross-Site Scripting (XSS): 86% failure rate across AI models SQL Injection vulnerabilities: Commonly introduced by AI suggestions Authentication bypasses: AI doesn't understand business context Data exposure risks: AI optimizes for functionality, not security Surprisingly, the latest models (GPT-4, Claude 3.5) don't generate more secure code. They're optim…  ( 7 min )

In the rapidly changing landscape of the dairy industry, businesses must anticipate and adapt, not just react. From shifting consumer preferences to sustainability demands, technological innovations to e-commerce, the forces reshaping dairy are many and moving fast. To remain competitive, resilient, and profitable, small to mid-sized dairy enterprises must align their strategies with the trends defining tomorrow. Below are the primary trends to watch, the challenges they bring, and how you can lead (or hire leadership) that embraces them to future-proof your business. Today’s consumers are more health-conscious, more environmentally aware, and more selective about where their food comes from. In dairy, this means demand is increasing for: Lactose-free, organic, or grass-fed dairy products …  ( 8 min )

Until recently, quality live streaming from embedded devices like an ESP32 was severely limited. ESP32-CAM boards can only produce low-quality, low frame rate (5-15 FPS) streams of MJPEG images via RTSP at resolutions like 320x240. These microcontrollers simply didn't have enough CPU and RAM for real video processing with modern codecs. Then Espressif changed everything by releasing the ESP32-P4-Function-EV-Board, which features a dual-core 400MHz RISC-V processor, 32MB PSRAM, and most importantly, a hardware H.264 encoder capable of 1080P@30fps streaming. It's a game changer to be sure, but all of that hardware is nothing without a software library to push those beautifully encoded H264 streams to a valid destination. Thankfully Espressif came through again with the esp-webrtc-solution li…  ( 8 min )

Bringing a new drug to market is a long and complicated journey. From lab research to clinical trials, one of the biggest hurdles is compliance—the endless paperwork and documentation required by regulators. For years, this process has been slow, manual, and prone to errors. Now, a new kind of technology—Agentic AI—is changing the game. Instead of being just another tool, it acts like an autonomous assistant that can manage the entire process of preparing regulatory submissions. Why Compliance Has Been So Hard Traditionally, regulatory teams spend months compiling and reviewing thousands of pages of data. Specialists, writers, and clinicians go back and forth to make sure everything meets the rules of agencies like the FDA or EMA. It’s costly, time-consuming, and even small mistakes can ca…  ( 7 min )

This is because in the digital-first business world, where time is compressed and business operates at a light speed, the saying that you have to earn the trust, not to give it, has never been more applicable. Screens, miles and time zones usually separate companies and clients. Handshake, face-to-face meetings, casual office drop-in are all the pillars of an old-fashioned business relationship, which do not exist in this landscape. So, what fills that void? What is the new base to a strong, productive and long-term partnership? Radical transparency is this answer. To most companies, the way of dealing with an external player, particularly in areas such as software development can be a black box. New jobs are given, the work commences and you wait. Measuring progress may become a weekly up…  ( 8 min )

Africa is in the middle of a fintech revolution, and you’re part of it. If you’re reading this, it most likely means you’re part of the people building and securing fintech applications. Your app empowers users and unlocks economic potential, leading to more growth in the fintech space. But with this growth in the financial services industry comes a serious risk of fraudulent activity. Nigerian financial institutions lost N52.26 billion to fraud in 2024. Kenya recorded 51% of mobile payment transactions as suspicious. One South African bank disclosed that it had reimbursed over R50 million to customers affected by SIM swap fraud last year, according to cybersecurity firm Sekura.id. These statistics highlight the complex environment you're building in. You're dealing with first-time digita…  ( 12 min )

We bidding professionals tend to easily spiral towards the negative and feel the world is against us, with SMEs letting us down and clients asking too much of us in too little time. I’m trying my best of late to be positive, so let’s see if we can look for solutions in what comes next. It’s not unusual for me to end up in some tussles on LinkedIn with others in our discipline or those on the other side in procurement. I feel it important to stand up for our discipline, and particularly our early careers people. One in particular this year really irked me. I had an interaction with a procurement lawyer whose post stated they specifically guide their public sector clients to give as little feedback on tenders as possible. As a taxpayer, I was appalled. They also later guided their clients to…  ( 7 min )

When learning backend development, one of the best ways to practice is by building something practical and relatable. For me, that turned out to be a Bank App API — a Spring Boot project where users can create accounts, deposit and withdraw money, check balances, and even close accounts. This project gave me hands-on experience with Spring Boot, Spring Data JPA, and REST API design, while also teaching me how to think about real-world requirements like account numbers and user authentication. Spring Boot – for building the REST API. Spring Data JPA – for interacting with the database. Maven – build and dependency management. Database – works with relational databases like MySQL (but could also run on H2 for testing). The application exposes endpoints under /account. Here’s what you can do:…  ( 7 min )

🔹 What is Sharding in Databases? Sharding is a database partitioning technique where data is split across multiple databases or servers (called shards) to improve scalability and performance. Each shard contains a portion of the data (not a full copy). For example: Suppose you have a users table with 100 million rows. Instead of storing all in one DB, you could split: Shard 1 → users with IDs 1–25M Shard 2 → users with IDs 25M–50M Shard 3 → users with IDs 50M–75M Shard 4 → users with IDs 75M–100M Now each shard only handles a subset, so queries and writes become faster. 👉 Sharding is commonly used in very large-scale systems (e.g., Facebook, Twitter, YouTube) where one DB server cannot handle all the load. Sharding is just one of many scaling/distribution techniques. Let’s compare: Rep…  ( 8 min )

The old warrior stood, scarred but unbroken. The young challenger raised his sword, burning with ambition. Yet the elder’s eyes whispered a truth: strength forged over decades does not fall easily to youthful fire. Since the beginning of time (i.e. creation of C), the world has introduced thousands of warriors to challenge, defeat, and replace C and his mighty son, C++. Yet no one really succeeded, except for who did not win, but at least, survived. The name is Rust, a language that tries to be safe by default, unlike C/C++. Rustaceans (I personally call them rust-people), have taken this fight so seriously that things are getting a bit out of control! system-level programming. Let's begin with an introduction of each. A system programming language (also called a low-level programming lang…  ( 10 min )

When it comes to facing criminal charges in Alberta, many people turn to what they’ve heard on television, in movies, or from friends and family instead of getting guidance from a professional assault lawyer. Unfortunately, these sources often spread myths that can create serious misunderstandings about how the justice system actually works. Knowing the truth is essential if you want to make informed decisions about your case and avoid mistakes that could have lasting consequences. This article clears up some of the most common misconceptions about criminal defence in Alberta and explains what individuals really need to know when navigating the justice system. One of the biggest fears people have when they hear the words “criminal charge” is that they will automatically end up in jail. In…  ( 9 min )

The Power of Random Forests: Origins, Applications, and Case Studies Vamshi E ・ Sep 19 #webdev #programming #javascript #ai  ( 5 min )

In our everyday lives, we rarely make important decisions based on just one opinion or perspective. For example, before buying a car, we usually seek out multiple reviews, consult with friends, and do our own research before finalizing the decision. Similarly, before watching a movie, most of us ask friends for reviews—unless it features our favorite actor or actress. The reason is simple: one person’s view can be biased, but when we gather multiple perspectives, the collective wisdom often leads us to a more balanced conclusion. This process of combining different perspectives to eliminate bias is not limited to human decision-making—it is also a core principle in the field of machine learning and data science. In analytics, this is known as ensembling. Ensembling combines multiple models…  ( 10 min )

Handling time zones and offsets is crucial for developing robust applications that operate across different geographical regions. Java's modern Date and Time API, introduced in Java 8, provides a comprehensive and immutable set of classes for this purpose. A time zone is a region of the globe that observes a uniform standard time for legal, commercial, and social purposes. It's essentially a set of rules for converting local time to a universal time, and it's important because it accounts for daylight saving time (DST) and other regional variations. Using time zones correctly is vital for: Accuracy: Ensuring that timestamps are correct, regardless of where the user is located. For example, a meeting scheduled for "2 PM" in New York must be converted correctly for someone in London. Data In…  ( 8 min )

The internet's vast expanse of public data has become the new gold rush territory for artificial intelligence. Yet unlike the Wild West prospectors of old, today's data miners face a peculiar challenge: how to extract value whilst maintaining moral authority. As AI systems grow increasingly sophisticated and data-hungry, companies in the web scraping industry are discovering that ethical frameworks aren't just regulatory necessities—they're becoming powerful competitive advantages. Through strategic coalition-building and proactive standard-setting, a new model is emerging that could fundamentally reshape how we think about data ownership, AI training, and digital responsibility. The web scraping industry operates at a scale that defies easy comprehension. Modern data collection services m…  ( 19 min )

Today, I created a beginner-friendly Name Generator in Python. It’s a small project but a great way to practice: Basic Python syntax String manipulation Beginner project structuring 👉 Here’s the GitHub repo: Name Generator – Day 11 ✅ Anyone can use, modify, or learn from it — completely open source! Would love to hear feedback from the community 🚀  ( 6 min )

What is CodeDeploy? • AWS CodeDeploy is a fully managed deployment automation service. • It can deploy to: • Amazon EC2 instances • On-premises servers • Lambda functions • Amazon ECS services • It supports code stored in S3, GitHub, Bitbucket, or CodeCommit. • You don’t need to change your existing code — CodeDeploy manages the deployment steps for you. Tasks for Day 52 Task 01 — Learn & Prep Typical structure version: 0.0 os: linux files: - source: /index.html destination: /usr/share/nginx/html/ hooks: AfterInstall: - location: scripts/restart_nginx.sh timeout: 300 runas: root It tells CodeDeploy what files to deploy and what commands to run at each stage. B. Prepare EC2 instance: sudo yum update -y sudo amazon-linux-extras install nginx1 -y sudo systemctl start nginx sudo systemctl enable nginx C. Install CodeDeploy agent: sudo yum update -y sudo yum install ruby wget -y cd /home/ec2-user wget https://aws-codedeploy-.s3..amazonaws.com/latest/install chmod +x ./install sudo ./install auto sudo systemctl start codedeploy-agent sudo systemctl enable codedeploy-agent Task 02 — Deployment #!/bin/bash systemctl restart nginx C. Push changes git add appspec.yml scripts/ git commit -m "Add appspec.yml for CodeDeploy" git push origin main S. In AWS Console → CodeDeploy: 5. Create a Deployment (point it to your CodeCommit repo + branch). CodeDeploy will copy index.html to /usr/share/nginx/html/ and restart nginx. Test in browser: http:// → You should see your index.html page.  ( 6 min )

Ever feel like remote work makes you twice as busy but only half as productive? You’re not alone. Remote work isn’t new, but it has undergone significant changes since 2020. A 2024 Gallup study found that over 40% of IT pros now work fully remote, with another 38% in hybrid setups. That’s nearly 80% of our industry working away from the office at least part of the week. For developers, there are upsides. Fewer office distractions. Time to focus on deep coding problems. QA teams can test across different devices and environments. And DevOps folks can hand off monitoring across time zones. But here’s the catch: traditional productivity frameworks don’t always fit. Most were built for in-office teams with fixed hours and real-time collaboration. Remote work introduces its own problems, coordi…  ( 9 min )

The travel technology landscape is evolving rapidly, and API-first integration has become a critical requirement for companies looking to offer seamless booking experiences. Modern travel platforms need scalable, reliable, and flexible APIs that can handle complex operations such as flight reservations, hotel bookings, and ancillary services. Two major players in this space are Duffel and Amadeus, both providing robust APIs tailored to developers and travel businesses. This article explores these platforms in depth, comparing their capabilities, strengths, and suitability for modern API-first integrations." Duffel is a London-based travel technology company that focuses on delivering API-first solutions for flight bookings. Founded in 2016, Duffel aims to simplify airline distribution and…  ( 9 min )

Load balancing is the backbone of highly available, scalable applications. In Google Cloud, Cloud Load Balancing is a fully managed service that automatically distributes traffic to your backend services, ensuring performance, reliability, and global reach. Global Load Balancing Distributes traffic across multiple regions. Uses a single anycast IP to route users to the closest healthy backend. Supports automatic failover between regions. Regional Load Balancing Distributes traffic within a single region across zones. Ensures availability at the regional level. ✅ Both are software-defined → no hardware, no manual scaling. Traffic handling grows from zero to full throttle in seconds. Application Load Balancer (HTTP / HTTPS) Network Load Balancer (TCP / UDP / Other IP Protocols) Layer 7 (A…  ( 7 min )

Arrays are one of the most fundamental data structures in JavaScript. They let us store multiple values in a single variable and provide powerful methods for working with collections of data. In this guide, I’ll walk you through the basics of arrays, how to use common methods, and some useful tricks along the way. ⏱️ Table of Contents What is an Array? push, pop, shift, unshift Accessing Array Elements Iterating Through Arrays forEach & map in Action Spread Operator with Arrays Array Constructor with a Single Value Arrays are the backbone of working with collections in JavaScript. From storing simple values to transforming data, they are versatile and powerful. Mastering them will make you a stronger JavaScript developer. Keep building!  ( 6 min )

Redesigning a website used to take weeks — involving multiple designers, developers, and endless revisions. In 2025, that’s no longer the case. AI website redesign tools are transforming the way businesses update and optimize their online presence. But what does this mean for you, and how can you take advantage of it? Let’s explore. 🤔 What is AI Website Redesign? AI website redesign is the process of using artificial intelligence to automatically update the look, feel, and structure of your website. Instead of hiring a full team or coding from scratch, AI can: Analyze your current website. Suggest design improvements based on best practices. Generate new layouts, sections, and visuals instantly. Optimize for conversions, speed, and mobile devices. This makes website redesign faster, cheap…  ( 7 min )

Digital Vernier Caliper: Advantages and Uses Measurement is a major aspect of engineering, manufacturing, and scientific research. For measurement to be precise, a reliable and accurate tool is essential, and one of the most reliable tools is the digital vernier caliper. The introduction of the digital vernier has referenced a significant change in the process of taking measurements and having them recorded—providing precision, simplicity of operation, and consistency compared to more traditional methods. In this text, we will consider the main advantages and uses of this useful tool and have some practical discussion regarding how it assists workflow in many industries. In addition, we will briefly consider other tools we can employ that are similar in nature to vernier calipers, the best…  ( 9 min )

The Amazing World of Trees: Nature's Giants That Sustain Life Trees are some of the most fascinating and incredibly important living organisms on our planet. They've been quietly working behind the scenes for millions of years, shaping our world and making life as we know it possible. Let's dive into what makes these natural giants so special! Trees are large, woody plants characterized by a single main trunk that branches out into smaller limbs and twigs. Unlike shrubs, trees have a more defined structure and typically grow much taller. Most trees are perennial organisms, meaning they live for many years - and some of the ancient ones have been standing for centuries or even millennia, witnessing the rise and fall of civilizations. Understanding a tree's anatomy helps us appreciate the …  ( 8 min )

Linux - File Commands This is Part 2 of the Linux CLI Commands series. 👉 Previous: Linux - System Commands 👉 Next: Linux - Process Commands File Commands search files only in current directory find . -maxdepth 1 -type f ensures it won’t go into subdirectories (-maxdepth 1) (.) (-type f) ls -p | grep -v / ls -p appends/to directory names grep -v / excludes anything ending in /, leaving only files ll -- long list file and directory ls -- short list file and directory ll -lrt -- file and directory are order by time touch -- use to create a file cat filename -- to read a files cat > filename -- to create a file and also insert data cat >> filename -- to append dates mkdir -- use to create a directory vi filename -- use to edit a file yy -- to copy a single line dd -- delete a single…  ( 7 min )

Welcome to the Gonyx Framework documentation. Gonyx is a fast API development framework for Golang that makes it easy to build high-performance, scalable web applications. Gonyx is a modern Go framework designed to simplify the development of robust web applications and APIs. It provides a clean, structured approach to building backend services with Go. For more information, please refer to Gonyx.io. Simple REST API Creation: Build RESTful APIs with minimal boilerplate code High Performance: Optimized for speed and efficiency Built-in Middleware: Common functionality like logging, error handling, and more Clean Architecture: Promotes separation of concerns and maintainable code gRPC Support: First-class support for gRPC services alongside REST The quickest way to get started with Gonyx is …  ( 8 min )

Spoiler: It’s not just about crossing off tasks... The Ritual 🚨 Every developer has done it. You’ve seen it on every coding tutorial site. Every YouTube tutorial has it. It’s like the developer’s first crush—you just can't help it. And yes, we're talking about the To-Do app. “Wait, why am I still doing this?” You ask, as you add your 4th to-do app to your portfolio. It's not because you love organizing your life (okay, maybe it is). But there’s a serious reason why every dev starts here. Why the To-Do App? Let’s break it down: It’s simple, but it’s not simple. Add a task? ✅ Delete a task? ✅ Mark it as complete? ✅ Sounds easy, right? But when you get into the weeds, you’ll find that the devil is in the details. The real magic happens when you start adding features… like a due date, or …  ( 8 min )

Lido Pimienta’s Tiny Desk Takeover Lido Pimienta flips the script on her Tiny Desk set by swapping the electro-cultural mash-up of 2020’s Miss Colombia for the sparse, chamber-music vibes of her new album La Belleza. She opens with “Quiero Que Me Beses,” teasing us for three minutes with violin, bassoon and clarinet before unleashing the rhythmic punch of Afro-Colombian percussion and marimba. Every detail is intentional—from her multi-layered, all-black dress (a blank canvas for your imagination) to the way each note lands. Backing her up are Brandon Miguel Valdivia on percussion, Owen Pallett on violin, Jeff Stern on marimba, Todd Marcus on clarinet and bass clarinet, and Lauren Yu on bassoon. Together, they breeze through four tracks—“Quiero Que Me Beses,” “Mango,” “¿Quién Tiene La Luz? (El Perdón)” and “Eso Que Tu Haces”—delivering a performance brimming with symbolism, texture and that signature Pimienta flair. Watch on YouTube  ( 6 min )

Application security testing is a way to identify vulnerabilities in software before they are exploited. It's important to test for vulnerabilities in today's rapid-development environments because even a small vulnerability can allow sensitive data to be exposed or compromise a system. Modern AppSec testing includes static analysis (SAST), dynamic analysis (DAST), and interactive testing (IAST) to provide comprehensive coverage across the software development lifecycle. Q: What is the role of containers in application security? A: Containers provide isolation and consistency across development and production environments, but they introduce unique security challenges. Organizations must implement container-specific security measures including image scanning, runtime protection, and prop…  ( 10 min )

Spring Boot REST API — Returning Response in JSON Format In this guide, we will learn how to return a response in JSON format from a Spring Boot REST API. By default, Spring Boot returns responses in JSON , making it the standard format for most RESTful services. JSON is widely used due to its lightweight nature, easy readability, and compatibility with various programming languages. Lightweight & Fast: JSON data is compact, making it faster to parse compared to XML. Human & Machine Readable: JSON has a simple and structured format that is easy to read and manipulate. Widely Supported: JSON is supported across multiple programming languages and frameworks. Ideal for Web & Mobile Applications: JSON works well with JavaScript and is natively supported in web and mobile development. Spring…  ( 8 min )

Unlocking the Power of Data with Pandas: A Pythonic Journey Introduction In the age of information, data is the new oil. But just like crude oil, data needs refining to extract its true value. Enter Pandas, a powerful Python library that transforms raw data into actionable insights. In this blog, we will explore the core functionalities of Pandas, from data structures to data cleaning and analysis techniques. What is Pandas? Pandas is an open-source data analysis and manipulation library for Python. It provides data structures like Series and DataFrames, which are essential for handling structured data. With its intuitive syntax and powerful capabilities, Pandas has become a staple in the data science toolkit. Getting Started with Pandas To begin our journey, we need to install Pandas. You…  ( 7 min )

Project Overview Button: Triggers form submissions and customer actions (edit/delete). Addressing the Judging Criteria A navbar provides quick access to all pages: Invoices Dashboard, Create Invoice, Manage Customers, and Invoice Statistics. Accessibility Testing keyboard navigation (Tab/Enter keys) across Buttons, Forms, Grids, and Dialogs. Creativity A multi-page SPA using React Router for seamless navigation. Challenges and Learnings @pratik_12b3f8bf3b50e48bae. https://github.com/pratikdevelop/KendoReactCallahnge Conclusion This Invoice Management Dashboard demonstrates the versatility of KendoReact’s free components in building a professional, accessible, and creative application. I hope the judges find it a strong contender for the challenge! KendoReactChallenge #React #WebDevelopment  ( 8 min )

The following article is an overview of the subject: Artificial intelligence (AI) which is part of the constantly evolving landscape of cybersecurity, is being used by businesses to improve their security. As threats become increasingly complex, security professionals are increasingly turning to AI. AI was a staple of cybersecurity for a long time. been part of cybersecurity, is now being re-imagined as agentsic AI and offers an adaptive, proactive and fully aware security. This article examines the possibilities for the use of agentic AI to change the way security is conducted, and focuses on application of AppSec and AI-powered automated vulnerability fix. Cybersecurity is the rise of Agentic AI Agentic AI is a term used to describe goals-oriented, autonomous systems that recognize th…  ( 10 min )

JavaScript Code Blocks: The Ultimate Guide to Mastering the Mighty { } You see them everywhere. They are the unsung heroes, the silent guardians of structure and logic in the world of JavaScript. They are the humble curly braces: { and }. Together, they form a JavaScript Code Block. If you've ever written a function, an if statement, or a for loop, you've used a code block. But have you ever stopped to think about what they really do? How they control the visibility of your variables? How they are the very foundation of writing clean, maintainable, and powerful code? Many beginners treat them as mere syntax, a necessary ritual to make the code run. But understanding code blocks is a fundamental leap from writing code that works to writing code that is elegant and professional. In this co…  ( 12 min )

Keeping city, town, and village information up to date is harder than it sounds. The raw data inside OpenStreetMap is incredibly rich, yet developers still spend hours cleaning duplicates, merging boundaries, and normalizing metadata before it becomes production-ready. To make that easier, Geoapify publishes a free OpenStreetMap locality dataset: NDJSON archives that bundle cities, towns, villages, and hamlets for every country, complete with administrative boundaries and multilingual labels. You can browse and download every country bundle from our data hub at Download all the cities, towns, villages. What's inside the bundles Working with NDJSON What each record contains Enriching records with Geoapify Place Details Suggested applications Quality notes Attribution and licensing Every co…  ( 9 min )

When I try a new web technology, I really want to play around with it upfront before installing anything locally or setting up a developer environment. Over the last few months I’ve been exploring GitHub Codespaces for this purpose, working on a set of projects that guide you through building and deploying apps to the network edge straight from the browser. In this post I’ll introduce our new Fastly Compute learning experience that you can try out in seconds. With a Compute app, you can enhance the user experience for a website at the edge. The app can manipulate the request from the user and the response from the origin website. You can write your code in various languages and the Fastly SDKs will compile it into Web Assembly (WASM) that can run at the edge, between your users and your we…  ( 8 min )

In the modern business landscape, data is the new gold. Organizations that leverage AI and data analytics can gain a competitive edge by making informed decisions, optimizing operations, and predicting future trends. Eexalyse (https://eexalyse.in Data Engineering: Structuring and cleaning data to make it ready for analysis. Machine Learning & AI: Predictive models that help companies forecast trends and behaviors. Visualization & Reporting: Intuitive dashboards for tracking key performance indicators. By adopting Eexalyse’s AI-driven solutions, companies can: Reduce inefficiencies and operational costs. Improve accuracy in decision-making. Identify new business opportunities. Stay competitive with real-time insights. For startups and enterprises alike, integrating AI and data analytics is no longer optional—it’s essential for growth. To learn more about Eexalyse and their services, visit https://eexalyse.in .  ( 6 min )

A beginner-friendly guide to deploying a .NET app to the cloud using Docker and Kubernetes. Deploying applications to the cloud can seem daunting, especially if you are new to containers and Kubernetes. This guide is designed for beginners and walks you step by step through building a simple .NET 8 Web API, packaging it in a Docker container, and deploying it to Azure Kubernetes Service (AKS). By the end, you will also have automated deployments via GitHub Actions, so any code push instantly updates your app in the cloud. Think of it as a hands-on way to learn modern cloud deployment, without getting lost in complex setups. By the time you finish, you will not only understand the tools but also gain confidence in deploying real-world apps to the cloud. What You will Learn By the end of t…  ( 20 min )

Today is Enhance: validation, error handling, and observability that make your AI feature reliable. Validate inputs (required, formats, ranges). Return useful error messages. Log failure paths with correlation IDs. Add simple metrics (count, latency, 4xx/5xx). This turns a cool demo into a dependable tool. Details + prompt in the issue: https://shipwithai.substack.com/p/hold-my-beer-4-steps-to-make-any?utm_source=devto&utm_medium=social&utm_campaign=issue_beer_framework  ( 5 min )

In 2025, the global market for AI-driven services is projected to surpass 270 billion dollars, with more than 65 percent of enterprises already experimenting with cloud-based AI solutions. One of the fastest-growing models in this space is AI as a Service, which allows businesses and individuals to access artificial intelligence through third-party platforms without heavy upfront investments. From an AI trading assistant that analyzes markets in real time to a personal finance assistant helping people budget smarter, AI as a Service is reshaping both professional industries and everyday life. Even roles like an academic tutoring assistant, an AI language coach, or a meditation and mindfulness assistant are now possible through scalable AI models delivered via the cloud. This shift is not j…  ( 9 min )

Introduction Accurate forecasting isn’t about chasing the fanciest algorithm — it’s about getting the basics right first. This post argues that clean, well-structured data plus the right mix of models, tools, and human judgment produce far better forecasts than complexity for its own sake. The payoff: fewer stockouts, less tied-up cash, and smarter decisions across the business. Garbage in, garbage out: flawed inputs guarantee poor forecasts. Clean, enrich, and standardize historical data before modeling. Hunt down outliers (one-off bulk orders, typos, misplaced decimals), correct or remove them to avoid skewed predictions. Don’t lump everything together — segment by product line, geography, customer type, etc. Build multiple micro-forecasts (e.g., sparkling water in Arizona vs. hot c…  ( 7 min )

Recently became interested in JavaScript and decided to start a 30-day learning plan. Each day will focus on one core JavaScript concept, sharing the learning process and insights here. This series of articles is mainly to record the learning journey, while also hoping to help friends who are just starting to learn JavaScript. The approach will be to explain concepts in the most accessible way possible and share problems encountered during the learning process along with solutions. Today is day one, starting with the basics of JavaScript. Understand the history and development of JavaScript Comprehend JavaScript's role in web development Learn to set up a JavaScript development environment Write the first JavaScript program JavaScript is a high-level, interpreted programming language origi…  ( 8 min )

Why we need init? 1. Purpose of init.py init.py file in a directory tells Python that the directory should be treated as a package. This allows you to import modules from that directory using package syntax, e.g.: Without init.py, Python (pre-3.3) would not recognize the folder as a package, and imports might fail. The file can be empty, or it can contain initialization code for the package. Starting with Python 3.3 and above (including Python 3.11), you can technically remove the init.py file from a package directory, and Python will still recognize it as a package due to "implicit namespace packages." init.py: When you add an init.py file to a package directory, it does not create a global namespace. Instead, it defines a package namespace. All modules and submodules…  ( 8 min )

These days, we all stream everything: movies, shows, random videos we find online. But the big streaming platforms often come with strict rules, changing algorithms, and sometimes even censorship. For small creators, that can be exhausting. So many creators are taking a different path: building their own little streaming spaces. Smaller, more personal platforms where they can share what they want, connect directly with their audience, and stay in control over their content. Building your own platform can be tough, especially when it comes to setting up the backend and database. In this guide, we’ll explain step-by-step so even beginners can follow along and create a working video-on-demand platform in a single afternoon. Skapi is here to help you do it, taking away the stress of developing…  ( 9 min )

I remember the first time I wanted to add a simple FAQ bot to a website. My plan was: I’ll just throw the FAQs in a database, write a quick API… how hard can it be? Spoiler: it turned into a mini backend project with hosting, endpoints, and authentication before I even wrote a single line of UI code. So when I joined Skapi — a serverless backend for frontend developers, no coders, and anyone who wants to save their time on backend — the first thing that I did, I decided to see if I could build the entire FAQ bot with just frontend code. And you totally can. In this tutorial, I’ll show you exactly how. By the end, you’ll have a: Serverless FAQ bot running entirely in the browser Zero backend setup (Skapi handles the data for you) Frontend-only guidance using plain HTML + JavaScript If you…  ( 8 min )

How "Sign in with Google" works and why it's the key to a passwordless future. You see the buttons every day: "Sign in with Google," "Log in with Facebook," "Continue with Apple." With a single click, you're in. No new username, no new password to remember. It’s so effortless that we rarely stop to think about the magic behind it. That magic is OpenID Connect (OIDC). It’s the quiet, behind-the-scenes protocol that has become the bedrock of modern digital identity on the internet. It’s not just a convenience feature; it’s a critical security standard that enables Single Sign-On (SSO) for millions of applications, both consumer and enterprise. At its heart, OIDC is a simple concept: delegated authentication. It lets an application (a "Relying Party") outsource its login process to a trusted …  ( 9 min )

操作系统的多线程 进程是操作系统分配资源的最小单位，每创建一个新的进程，会把父进程的资源复制一份到子进程。而线程是一种轻量级的进程，不独立拥有系统资源，操作系统内核是按照线程作为调度单位来调度资源。每一个进程是由一个或者多个线程组成的。 进程中 Text、Data、BSS 和 Heap 部分线程之间共享，Stack 不共享，每个线程拥有自己独立的栈。 Linux 系统中普遍使用 pthread 库开发多线程程序，pthread 符合 POSIX 标准，提供管理和操作线程的方法，包含在 pthread.h 头文件中。同一个进程中，除了栈，所有线程共享同一份内存，同时因为线程的执行是并行的，所以不可避免地发生资源竞争的问题，即同一时间有多个线程试图获取或者修改同一个内存资源。当开发者小心翼翼地处理内存使用时，并行地读写内存可以带来效率提升，一旦不注意可能带来严重的问题。假设用 2 个线程执行如下代码，counter 的结果可能远小于 2000 ： for (int i = 0; i < 1000; i++) counter++; pthread 提供了锁来解决这个问题，最常见的锁是互斥锁和读写锁。 互斥锁：同一时间只能有唯一一个线程访问，使用 pthread_mutex_t 读写锁：同一时间只能有唯一一个线程写入，允许多个线程读取， 使用 pthread_rwlock_t 这里不打算展开 Linux 多线程编程，超出了本篇讨论的重点。 浏览器是一个多线程应用，我们在《web 应用榨干 CPU 性能的正确姿势》一文中介绍过这些线程，这里引用一张图： 这些线程由浏览器管理，开发者并不能干预，可以把这些线程看作是“不可编程”的多线程；浏览器像开发者提供了“可编程”的多线程，那就是 Worker 。《web 应用榨干 CPU 性能的正确姿势》介绍了在 JavaScr…  ( 7 min )

📝 This article is part of the official Clprolf documentation series (5/6). Clprolf introduces a set of semantic aids to make concurrency and parallelism easier to understand and safer to implement. clarify intent and bring them closer to the Clprolf methodology of explicit design. They apply mainly to agents, but also to worker_agents, ensuring that both real-world simulations and technical components can benefit. Two modifiers are available: long_action (@Long_action) prevent_missing_collision (@Prevent_missing_collision) These clarify the handling of actions that take time, and ensure that critical interactions (like collisions) are never missed. long_action Some methods in an agent represent actions that take time, not just instant state changes. Player.jump() is a long action — the …  ( 8 min )

Next.js has revolutionized React development by providing a comprehensive framework that handles everything from routing to server-side rendering. With the introduction of the App Router in Next.js 13 and its maturation in Next.js 14, developers now have access to powerful features like Server Components, Server Actions, and improved data fetching patterns. This guide will take you through building a complete full-stack application using the latest Next.js features. The App Router represents a paradigm shift from the traditional Pages Router. Built on React's latest features, it introduces concepts like Server Components, which run on the server and can directly access databases and APIs without exposing sensitive data to the client. Server Components: React components that render on the s…  ( 14 min )

If variables and functions are the bricks of a program, then Object-Oriented Programming (OOP) is the architectural blueprint that gives those bricks structure and purpose. It's the philosophy that allows us to build complex applications that are modular, reusable, and easy to maintain. Classes and Objects: The Core of OOP In OOP, a Class is the blueprint, and an Object is the actual thing you build from that blueprint. " Create an instance with initial parameters " Create a singleton instance (ensures only one exists globally) The Three Pillars of Object-Oriented Design 1. Encapsulation 2. Inheritance " Index inherits all methods from both Human and Car " Call the Work method from a parent class Polymorphism This is a fancy term for a simple idea: different objects can respond to the sam…  ( 8 min )

Serverless architecture has revolutionized how we build and deploy applications. AWS Lambda, combined with API Gateway, provides a powerful platform for creating scalable, cost-effective applications without managing servers. In this comprehensive guide, we'll explore best practices for building production-ready serverless applications on AWS. Serverless doesn't mean "no servers" - it means you don't have to manage them. AWS Lambda automatically handles the infrastructure, scaling, and maintenance, allowing developers to focus purely on business logic. This paradigm shift offers several advantages: Cost Efficiency: Pay only for what you use, down to the millisecond Automatic Scaling: Handle anywhere from a few requests to millions without configuration Reduced Operational Overhead: No serv…  ( 11 min )

TL;DR VSCode のグローバル設定ファイルに "extensions.allowed" を追加します。 "extensions.allowed" が設定されている場合、VSCode は指定外の拡張機能を問答無用で無効 or インストール拒否するようになります。 設定例 "extensions.allowed": { "davidanson.vscode-markdownlint": ["0.60.0"], "ms-python.black-formatter": ["2025.2.0"], "ms-python.debugpy": ["2025.10.0"], "ms-python.isort": ["2025.0.0"], "ms-python.python": ["2025.12.0"], "ms-python.vscode-pylance": ["2025.7.1"], "ms-python.vscode-python-envs": ["1.2.0"] } extensions.allowed を設定する必要があるの? 拡張機能の自動更新を無効化 ( "extensions.autoUpdate": false ) したので安心という人をちらほら見かけますが、そうとはいえません。この設定は VSCode が 拡張機能を更新する処理を行わないというだけのものだからです。 ユーザが手動で更新することはもちろん、Shai-Hulud のような攻撃プログラムが更新したり不正な拡張機能をインストールすることを防ぐことはできない設定なのです。 "extensions.allowed を設定するとどうなるの? 指定された拡張機能の指定…  ( 6 min )

There’s a modern phenomenon of algorithmic intimacy to scrolling through a perfectly curated social media feed. A video about a niche hobby you just picked up, an article answering a question you were just thinking about—it all appears effortlessly, creating a seamless and often delightful experience. This hyper-personalization, powered by sophisticated artificial intelligence, isn't just a service; it's a carefully constructed digital environment designed to hold our attention. But behind this sense of digital clairvoyance lies a fundamental shift in the power dynamics of our social spaces. The same AI that serves you content is also making calculated decisions with consequences that ripple far beyond your screen. This intricate system isn't a neutral servant; it's an engine with its own …  ( 10 min )

Greetings from the island nation of Japan. When verifying and implementing AI technologies in business development, whether it's large language models or small language models, one invariably encounters scenarios where it's tough going without RAG (Retrieval-Augmented Generation). I became acutely aware of this when, during context engineering with GPTs, I encountered the model's cognitive load limit after cramming in logical compression formula prompts (including pseudo-code). To clarify once more, I understand that RAG is unnecessary in the following areas. Creative and Generative Tasks Novel and poetry creation Music and artwork generation Brainstorming and idea generation support General Reasoning and Analysis Tasks Solving logic puzzles Mathematical proofs Code generation (particularl…  ( 17 min )

React's state management can quickly become complex as your application grows. While useState and useEffect are excellent for simple scenarios, modern React applications often require more sophisticated patterns. In this comprehensive guide, we'll explore advanced state management techniques that will make your React applications more maintainable and performant. React has come a long way since its early days. The introduction of hooks in React 16.8 revolutionized how we handle state, moving away from class components to functional components with hooks. However, as applications scale, developers often find themselves struggling with prop drilling, state synchronization, and performance optimization. While useState is perfect for simple state updates, useReducer shines when dealing with co…  ( 9 min )

Introduction When writing tests with Jest, I encountered errors such as "environment variables cannot be read" and "loading spinner cannot be found." This article summarizes the situation and how to resolve it. Situation Developing a learning record app using React, Vite, and Supabase Trying to mock the Supabase client with Jest Copying the production code (utils/supabase.ts) and creating mocks/utils/supabase.ts The following was written in it: const supabaseUrl = import.meta.env.VITE_SUPABASE_URL as string; const supabaseAnonKey = import.meta.env.VITE_SUPABASE_ANON_KEY as string; However, Jest does not understand Vite's import.meta.env. import.meta.env is only valid in the Vite build environment. It is not supported in Jest (Node.js environment + ts-jest), so TypeScript is not s…  ( 7 min )

WordPress 6.8.1 现已发布！ WordPress 6.8.1 现已发布！ 本次小版本更新修复了整个核心和区块编辑器中的 15 个错误，解决了影响 WordPress 多个领域（包括块编辑器、多站点和 REST API）的问题。有关完整错误修复列表，请参阅候选版本公告  ( 5 min )

Introduction Deploying new versions without interrupting users is a non‑negotiable expectation for modern services. As a DevOps lead, you’ve probably wrestled with a rolling restart that left a handful of customers staring at a 502. This checklist walks you through a practical, Docker‑centric blue‑green deployment workflow that you can copy‑paste into your CI/CD pipeline today. User trust: Even a few seconds of outage can erode confidence. Revenue impact: SaaS businesses lose billable minutes with every hiccup. Operational overhead: Manual rollbacks are error‑prone and costly. A well‑orchestrated zero‑downtime strategy eliminates these risks by keeping two production‑ready environments alive and shifting traffic atomically. Before you start, make sure you have: Docker Engine ≥ 20.10 inst…  ( 8 min )

For decades, passwords have been the primary key to digital security. Whether it was logging into an email account in the early 2000s or accessing sensitive financial data today, the first line of defense has almost always been a password. But as cyber threats become more sophisticated and user behavior more careless, the traditional password is starting to look less like a security solution and more like a liability. Let’s break this down. Why Passwords Became a Problem Phishing: Cleverly crafted emails or websites trick users into entering their passwords. Password fatigue: Users struggle to remember dozens of unique passwords, leading to poor practices like writing them down or using “123456.” This password chaos gave rise to password managers, tools that store and autofill complex pass…  ( 9 min )

Amazon ElastiCache: Supercharging Your Applications with In-Memory Data Caching Introduction: In today's demanding digital landscape, application performance is paramount. Users expect rapid response times, and sluggish performance can lead to frustration and abandonment. Caching plays a crucial role in optimizing application performance by storing frequently accessed data in memory, enabling faster retrieval and reducing the load on underlying databases. Amazon ElastiCache is a fully managed, in-memory data caching service provided by Amazon Web Services (AWS). It simplifies the process of deploying, operating, and scaling in-memory data caches in the cloud. ElastiCache supports two popular open-source caching engines: Redis and Memcached. This allows developers to leverage their existi…  ( 10 min )

Industrial automation is the backbone of modern manufacturing and process control. From assembly lines to smart factories, embedded single board computers (SBCs) play an increasingly critical role. They serve as the "brains" of industrial systems, enabling communication, control, and integration across various devices and networks. In this article, we’ll explore the role of embedded SBCs in industrial automation, the industrial communication protocols they support (like Modbus, CAN, and Ethernet), and the challenges engineers face when deploying them. Unlike general-purpose PCs, embedded SBCs are designed for dedicated tasks. They are compact, power-efficient, and built to withstand harsh environments—factors essential for industrial settings. Key advantages include: Compact form f…  ( 7 min )

In today’s fast-paced digital world, efficiency and innovation are often the keys to success. As creators, we constantly seek tools that help us quickly bring ideas to life and boost our productivity. Supermaker.ai, an emerging AI tool, promises to provide creators with a suite of powerful features to simplify and automate the creative process. What is Supermaker.ai? Supermaker.ai is an AI-driven creative tool designed to provide creators with a one-stop solution for content generation. Using various AI models, it allows users to generate high-quality images, videos, and text, drastically lowering the barriers to creative work. Whether you’re a designer, content creator, or marketer, Supermaker.ai makes it easier for anyone to produce professional-level content without any prior design e…  ( 7 min )

Artificial intelligence has swiftly evolved from an abstract academic pursuit into a transformative force shaping economies, politics, and human existence itself. Once compared to electricity or oil in its potential to redefine civilisation, AI is now the axis around which modern geopolitics revolves. Nations are no longer merely investing in it—they are competing, fiercely. And at the forefront of this digital rivalry stand two titans: the United States and China. Their contest is not merely about algorithms or data, but about influence, ideology, and control over the architecture of the 21st century. The Bedrock of Power: What Drives Their Edge? The U.S. and China dominate AI largely because of three cardinal resources—data, capital, and talent. These elements act as the oxygen fuellin…  ( 8 min )

Have you ever moved a component across your layout and watched your state just vanish? In this tutorial, we'll try to avoid this with three different approaches: ng-template with ngTemplateOutlet, the CDK Template Portal, and the CDK DomPortal. You’ll see when Angular recreates views and how to move a live component without losing state. Stick around until the end and you’ll leave with a one-line rule you’ll never forget... "Templates recreate things while the DomPortal moves them" Demo Setup: Moving a Component Across Layouts Here’s the app that we’re working with in this tutorial: We’ve got a small admin dashboard with a "promo banner" displayed in the sidebar: When we click a button, the banner jumps to the main content region: This banner includes a heart button and a…  ( 11 min )

Collecting, processing, and transferring data are key processes in IT. What if they break due to some tricky bugs in the code, though? In this article, we'll talk about errors detected by a static analyzer in the Apache NiFi project. Apache NiFi is a free, open-source tool for collecting, processing, and moving data. It was initially developed by the US National Security Agency. In 2014, it became open source and entered the Apache ecosystem. NiFi is commonly used in big data projects today, especially in combination with Hadoop. Note. We have already checked the Apache Hadoop project. You can read this article on our blog. The main advantage of NiFi is its simple visual interface, where data can be moved around like on a diagram: you drag and drop blocks (processors) and connect them wit…  ( 14 min )

https://vue-bits.dev/ Vue Bits is a large collection of animated VueJS UI components made to spice up your web creations. We've got animations, components, backgrounds, and awesome stuff that you won't be able to find anywhere else - all free for you to use! https://inspira-ui.com/ A curated collection of beautifully designed, reusable components for Vue & Nuxt. https://www.shadcn-vue.com/ No explanations needed https://ui-thing.behonbaker.com/ Awesome components that you can copy and paste into your Nuxt applications. https://www.stunningui.com/ Stunning UI is a collection of interactive Tailwind CSS components built for Vue and Nuxt. https://www.landinuxt.com/ Nuxt-powered componentes and sections to ship faster, no hassle, just clean UI with instant results The final Boss: https://reka-ui.com/ https://ui4.nuxt.com/ https://www.vue-blocks.dev/ The ultimate front-end building block library specifically designed for Vue https://www.nuxtlify.com/ Theme Builder for Nuxt UI Happy hacking! Working on the audio version The Loop VueJs Podcast Podcast Episode Projects: NUXTZZLE The base for your Nuxt/ BetterAuth & Must-know resources for devs Level up your computer science skills with our curated list of top websites for tips, tools, and insights. Got a favorite? Share it and grow our CS resource hub HUMAN IDEAS Explore the Best Text behind Image  ( 6 min )

“Culture eats strategy for breakfast.” - Peter Drucker Introduction Common Challenges in DevOps Troubleshooting Strategies for Each Challenge Best Practices for Long-Term Success Real-World Case Studies Interesting Facts & Statistics FAQs Key Takeaways Conclusion DevOps offers faster, more reliable software delivery by bridging development and operations. However, adopting DevOps comes with significant challenges. These challenges can be cultural, technical, or process-related. To gain maximum benefit from DevOps, organizations must learn to identify, troubleshoot, and overcome these obstacles effectively. Cultural Resistance Tool Overload Communication Gaps Security Concerns Scaling Issues Legacy Systems 3. Troubleshooting Strategies for Each Challenge Addressing C…  ( 8 min )

Java is one of the most popular and widely used programming languages in the world. Known for its flexibility, security, and platform independence, Java has become the backbone of countless applications across industries. What is Java? Java is a high-level, object-oriented programming language developed by Sun Microsystems in 1995 (now owned by Oracle). Its core philosophy is "Write Once, Run Anywhere," meaning that Java applications can run on any device that has the Java Virtual Machine (JVM), regardless of the underlying operating system. Key Features of Java Platform Independent: Code written in Java runs seamlessly on different operating systems. Object-Oriented: Encourages modular programming with concepts like classes, objects, inheritance, and polymorphism. Secure and Robust: Java provides strong memory management and built-in security features. Simple and Familiar: Its syntax is similar to C++ but simplified to avoid complex features. Multithreaded: Allows simultaneous execution of multiple parts of a program. Applications of Java Web Applications: Java is widely used in server-side development. Mobile Applications: The foundation of Android app development. Enterprise Solutions: Used by banks, insurance, and large corporations for stable and scalable systems. Cloud Computing: Powers cloud-based services and distributed systems. Game Development & IoT: Also finds application in game engines and embedded devices. Why Learn Java? Huge community support. Abundant learning resources. High demand in the job market. Foundation for advanced technologies like Spring Boot, Hibernate, and Android. Conclusion _Java has stood the test of time, remaining relevant for over two decades. Whether you are a beginner looking to start your coding journey or a professional aiming to enhance your skills, learning Java opens doors to endless opportunities in the tech industry. _  ( 6 min )

From the cars we drive to the machines that power industries, every piece of mechanical equipment begins with an idea on paper. But how does that idea become something precise enough to manufacture? That’s where mechanical drafting comes in — the art and science of creating detailed technical drawings that guide the design and production of mechanical systems and components. Defining Mechanical Drafting Mechanical drafting is the process of producing technical drawings that represent the dimensions, shapes, and assembly details of mechanical parts and systems. These drawings serve as a blueprint for engineers, machinists, and manufacturers, ensuring that each component is made with accuracy and fits seamlessly into the larger system. While structural drafting focuses on buildings and load-…  ( 7 min )

In a move that could reshape how artificial intelligence interacts with journalism, Meta Platforms is negotiating with major news organizations—including Axel Springer and Fox—over licensing agreements for the use of news content in its AI products. According to reports from Reuters, these talks highlight the growing tension and opportunity at the intersection of technology and media. Why Meta Is Turning to Licensing The Wider Industry Context Benefits and Challenges Legal clarity: Licensing reduces the risk of lawsuits and regulatory pressure. Quality control: Access to verified journalism improves the accuracy of AI-generated outputs. Brand trust: Users are more likely to trust AI responses backed by credible news sources. For Publishers Revenue opportunities: Licensing can supplement dw…  ( 8 min )

Software development is changing faster than ever before. From the days of writing every line of code manually to now having AI-assisted coding tools, the way developers work has undergone a huge transformation. Tools like GitHub Copilot, ChatGPT, and other AI-powered assistants are no longer just helpful — they are becoming essential for writing faster, cleaner, and smarter code. In this blog, we will explore how AI tools are changing software development, what autonomous coding really means, and why developers in India and around the world need to adapt to stay ahead. What is AI Coding Assistance? AI coding assistance refers to software tools powered by artificial intelligence that help developers write code. These tools understand programming languages, suggest code snippets, complete e…  ( 8 min )

Managing secure connectivity to private workloads has always been a challenge. Traditionally, organizations relied on VPNs or bastion hosts. While functional, these methods expose larger attack surfaces and lack context-aware access control. AWS introduced** Verified Access (VA)** to solve this — providing Zero Trust access to your workloads, without requiring VPNs. AWS Verified Access is a Zero Trust Network Access (ZTNA) service that allows you to securely provide access to your internal applications without requiring a VPN. It evaluates each request based on policies, user identity, device security posture, and other contextual signals before granting access. Instead of granting blanket network access, VA ensures that only verified and trusted requests reach your applications. AWS Verif…  ( 7 min )

Hey ecommerce entrepreneurs – quick poll: which cloud security frameworks for e‑commerce companies are you actively using? ISO 27001 SOC 2 NIST CSF Vendor‑specific (AWS Well‑Architected, Azure Security Center, etc.) If you answered “none yet,” you're not alone — many businesses haven’t applied all the security measures required to secure an ecommerce cloud solution. But taking those steps can reduce cloud security risk for ecommerce, protect customer trust, and avoid costly compliance hits. Cloud Security Risk for E‑commerce – RBMSoft Would love to hear from those who’ve implemented strong frameworks — what challenges did you overcome?  ( 6 min )

If you’ve ever looked at a skyscraper, a bridge, or even a residential building and wondered how it all comes together with such precision, the answer lies partly in structural drafting. It’s one of those behind-the-scenes processes in construction that most people don’t think about, yet every safe and stable structure depends on it. So, What Exactly is Structural Drafting? Structural drafting is the process of preparing technical drawings that show how a building or structure should be built. These drawings aren’t just sketches – they are detailed plans that translate an engineer’s calculations into visuals that builders and fabricators can follow. While architectural drawings show how a building will look, structural drawings show how it will stand. They detail the placement and dimensio…  ( 7 min )

Introduction When a startup launches its first product, the web hosting and domain decisions you make can either accelerate growth or become a hidden bottleneck. Unlike legacy enterprises, startups need flexibility, cost‑effectiveness, and the ability to scale at a moment's notice. This guide walks you through the most practical best practices you can implement today, without over‑engineering your stack. Most modern startups gravitate toward cloud platforms (AWS, GCP, Azure) or specialized hosting services like DigitalOcean, Linode, or Vercel. Look for: Pay‑as‑you‑go pricing – you only pay for the resources you actually consume. Predictable cost alerts – set budget thresholds to avoid surprise bills. Built‑in scaling – auto‑scaling groups or serverless functions that grow with traffic. P…  ( 8 min )

A website is more than just content. The way it looks and reacts to user actions creates the real experience. In JavaScript, the Document Object Model (DOM) acts as the bridge between your HTML structure and the scripts that can change it. By learning how to manipulate styles and classes, you can make a page come alive; whether that’s switching between light and dark mode, highlighting active links, or animating elements on click. This guide is designed for beginners who want a clear and practical introduction to changing styles and classes with JavaScript. By the end, you’ll understand: How to select HTML elements before applying changes. How to use classList to add, remove, toggle, and replace classes. How to apply inline styles directly with JavaScript. How to update CSS variables (cust…  ( 8 min )

Imagine this: you’re building an app where users expect instant updates—chat messages delivered in milliseconds, dashboards updating without refresh, or collaborative tools that feel alive. At that moment, the database you choose is not just storage; it’s the heart of your product. But here’s the catch—do you go with Firebase, Supabase, or Postgres with real-time extensions? Each promises speed, scalability, and developer happiness, but only one might be the right fit for your project. Let’s break it down. Google’s Firebase is often the first name that pops up when developers think “real-time.” Strengths: Blazing fast data sync across devices. Massive ecosystem: Authentication, Hosting, Analytics, Push Notifications. Great for quick MVPs and startups. Things to Watch: Vendor lock-in (you…  ( 7 min )

The Struggle of Learning GCP I’ll be real with you. The first time I had to spin up resources on Google Cloud Platform (GCP), I felt like someone had just dropped me in the cockpit of a spaceship. I knew AWS pretty well, but GCP? That was a different beast. Compute Engine, BigQuery, IAM policies… the concepts weren’t foreign, but the implementation details sure were. I wasted a ton of time bouncing between YouTube tutorials, stale blog posts, and official docs before I found platforms that actually worked. So, if you’re wondering, “What’s the best platform to learn Google Cloud Platform?” I’ve been exactly where you are. Here’s my no-nonsense breakdown of the platforms I’ve tried (and what I’d actually recommend if you don’t want to waste weeks). If you don’t want to read the whole list, h…  ( 8 min )

Choosing a translation API is harder than it looks. Prices vary by character and by feature. Quality depends on language pair, domain, and how well you enforce terminology. Rate limits and quotas can break production if you learn about them too late. This guide gives dev teams a practical way to compare options, plan for limits, and avoid lock-in. Most teams start with a demo that translates a few sentences, then extrapolate to production. That skips the messy parts that fail at scale. Think about these before you write the first line of glue code: Volume shape: steady trickle, periodic spikes, or nightly batch. Content type: plain text, HTML, subtitles, office docs, or PDFs. Terminology control: product names, legal terms, or industry abbreviations. Compliance: data residency, retention, …  ( 11 min )

Dying Light: The Beast – First 54 Minutes Rundown IGN’s PC capture showcases the opening tutorial, introduces the first boss fight, and drops you into the expansive zombie-ridden playground of Dying Light: The Beast—all rendered in stunning 4K/60FPS on an RTX 5090 paired with an AMD Ryzen 9 9950X3D. Expect brutal parkour sequences, tense combat, and plenty of undead mayhem as you get your first taste of this action-horror open world. Watch on YouTube  ( 6 min )

Donkey Kong Bananza’s DK Island is all about nostalgia, packing in callbacks to Rare’s glory days but offering little new beyond a warm, fuzzy tour of old haunts. It really feels like it should’ve been a free post-game treat instead of paid DLC. Emerald Rush, on the other hand, is where things get spicy. You’ll bounce through familiar levels with crazy parkour tricks, mix and match perks for wild new strategies, and chase high scores in a roguelite spin on Kong’s world. It clocks in around 10 hours, and while more enemies or abilities would’ve been nice, it’s a solid pick if you crave extra DK action—just don’t expect it to reinvent the wheel. Watch on YouTube  ( 6 min )

In the Modern Data-Driven Landscape In the modern data-driven landscape, we're drowning in information but starved for wisdom. Traditional Business Intelligence (BI) dashboards, once the pinnacle of data accessibility, are becoming rigid bottlenecks. They are slow to build, difficult to adapt, and often require a specialized analyst to decipher. What if you could just ask for the data you need and get a perfect visualization in seconds? This isn't science fiction. We built it. This is the deep-dive story of how we engineered a conversational AI reporting agent that transforms natural language questions into insightful, actionable data visualizations. For years, the process has been the same: a business user has a question. They file a ticket. An analyst interprets the request, wrangles t…  ( 12 min )

What Is Functional Programming? A pure function is a function whose output value follows solely from its input values without any observable side effects. In functional programming, a program consists primarily of the evaluation of pure functions. Computation proceeds by nested or composed function calls without changes to state or mutable data. In Python, functions are first-class citizens. This means that functions have the same characteristics as values like strings and numbers. Anything you would expect to be able to do with a string or number, you can also do with a function. >>> def func(): ... print("I am function func()!") ... >>> func() I am function func()! >>> another_name = func >>> another_name() I am function func()! **>>> def func(): ... print("I am funct…  ( 7 min )

In Part 1, we covered TypeScript and Angular Core Concepts (Q1–Q50). Now in Part 2 of Angular 20 Interview Questions and Answers (2025 Edition), we’ll explore: RxJS Operators & Advanced Usage (Q51–Q90) Angular Change Detection & Performance Optimization (Q91–Q100) RxJS Questions (Q51–Q90) Q51. Difference between switchMap, mergeMap, concatMap, and exhaustMap? switchMap → cancels previous observable, subscribes to latest. mergeMap → runs all observables concurrently. concatMap → executes one after another in order. exhaustMap → ignores new until current completes. Q52. What is the difference between forkJoin and combineLatest? forkJoin → waits for all observables to complete, emits once. combineLatest → emits whenever any observable emits (after all have emitted at least once).…  ( 9 min )

I used to code like I was playing Tetris. Drop a function here, squeeze a feature there, hope everything fits together without breaking. My GitHub was full of projects that worked but couldn't explain why. My code reviews were defensive battles where I'd rationalize decisions I'd made on autopilot. Then I spent 90 days forcing myself to think before I typed, and everything changed. Not the usual "learn a new framework in 30 days" challenge. Not another productivity hack promising 10x developer status. This was different: a deliberate practice routine that rewired how I approached problems at the system level. The transformation wasn't about writing better code. It was about developing the mental models that make code inevitable—the kind of architectural thinking that separates developers w…  ( 11 min )

Arduino IDE Configuration for ESP32-C3 DevKitM-1 / Rust-1 These are the board settings and a working blink + Serial sketch for ESP32-C3 DevKitM-1 (also sold as Rust-1). ESP32C3 Dev Module option in Arduino IDE. Tools → Board → ESP32 Arduino → ESP32C3 Dev Module Tools → Port → select the COM port that appears when the board is connected Setting Value Upload Speed 115200 CPU Frequency 160 MHz Flash Frequency 80 MHz Flash Size 4 MB Partition Scheme Default 2 MB app, 2 MB SPIFFS Other settings can stay at their defaults. Upload this sketch and open Serial Monitor at 115200 baud. #define LED_BUILTIN 7 // ESP32-C3 DevKitM-1 / Rust-1 onboard LED pin void setup() { pinMode(LED_BUILTIN, OUTPUT); Serial.begin(115200); delay(3000); Serial.println("✅ Blink + Serial test started"); } void loop() { digitalWrite(LED_BUILTIN, HIGH); delay(500); digitalWrite(LED_BUILTIN, LOW); delay(500); Serial.println("LED toggled"); } Demo Video: ESP32-C3 Blink Demo This gives you a working Serial connection and LED blink without extra steps — useful for confirming the board, drivers, and Arduino IDE setup are correct.  ( 6 min )

Data races in C++ multithreaded applications occur when multiple threads try to access a single data without proper data locking tools like mutex. Concurrent Reads and Writes : If one thread reads a variable while another writes to it without synchronization, a data race occurs. Concurrent Writes : If multiple threads write to the same variable concurrently without synchronization, it leads to a data race. Lack of Synchronization Primitives : Not using mutexes, atomic operations, or other synchronization mechanisms can result in data races. Data race may cause unpredictable output and even crashes. For example, look at the below C++ programs. Here two threads are trying to access a single variable without a proper synchronization technique. Here is the video in which the program is run i…  ( 7 min )

Introduction If you’ve been working with Laravel 12, you already know that the event–listener mechanism is one of the most powerful features of the framework. Events allow you to decouple your application logic, while listeners react to these events with specific actions. But what happens when an event has multiple listeners and their execution order actually matters? For example, imagine an event UserRegistered with five listeners: one sends a welcome email, another creates a profile record, another logs analytics data, etc. If these listeners run in a random sequence, your business rules might break. In this article, we’ll explore a scalable, enterprise-grade solution that lets you explicitly define the execution order of event listeners in Laravel 12 while keeping the lookup compl…  ( 8 min )

Are you using Springboot and Kotlin? Have you heard about spring AOP? If not then some of spring annotations like @HandlerInterceptor, @Transactional may not work as you except. Spring AOP primarily relies on creating proxies around your beans. When you apply an aspect to a method, Spring creates a proxy that intercepts calls to that method and applies the advice (e.g., @Around, @Before, @After). This mechanism generally works for suspending functions as well. But when using AOP based annotations. We must exercise caution and test them. Proxies are for cross-cutting concerns: Web Request Handling - HTTP request/response processing, validating request, serialising and deserialising request and response, processing headers, so on ... Transaction Management - Begin/commit/rollback Security - …  ( 7 min )

1. Introduction When it comes to building a modern, user-friendly admin dashboard, choosing the right template is crucial. The Modernize Bootstrap Admin Dashboard offers an excellent starting point for developers looking for a responsive, clean, and customizable solution. Whether you're working on a project from scratch or need a quick and polished dashboard, this template provides all the necessary features. In this post, we’ll dive deep into the template’s key features, installation process, and the differences between the free and pro versions. By the end of this guide, you’ll have all the information you need to decide which version best suits your project needs. # 1) Clone the repo git clone https://github.com/adminmart/Modernize-bootstrap-free.git # 2) Navigate into project cd M…  ( 8 min )

Using the Android Paint app, one can draw geometrical shapes and free hand drawing on an Android device. In the future version i will refine the app to give the user more drawing options and more regular shapes to draw. To start with, one will have to choose from the menu options and then draw. The screenshot of this application is as follows: Here goes the source code There are lots of scopes to re-factor this application... for example we can introduce a singleton factory class which will be responsible for creating different shapes... i thought of making the source code available to everyone after i did these kinds of refactoring... but i have lost the momentum... it will be really nice if someone works upon these...  ( 6 min )

Why Build a Component Library? Reuse animations without rewriting code Keep your UI consistent across projects Make it easy for teammates (or your future self) Learn how to structure scalable React components Install React + Framer Motion: npm install framer-motion Create a folder structure like this: animated-components/ │ ├── src/ │ ├── components/ │ │ ├── AnimatedButton.jsx │ │ ├── AnimatedCard.jsx │ │ ├── AnimatedModal.jsx │ │ │ └── index.js │ ├── example/ # Demo playground │ ├── App.jsx │ └── index.js │ ├── package.json ├── README.md └── vite.config.js (or Next.js if you prefer) // components/AnimatedButton.jsx import { motion } from "framer-motion"; export default function AnimatedButton({ children, onClick }) { return ( <motion.button whileH…  ( 7 min )

Companies are relying more on Content Management Systems (CMS) to manage growing content needs. But when a CMS becomes more of a burden than a benefit, it’s time for a change. Our global video game publisher client had built their CMS on Nuxeo, but the platform proved costly, complex, and underutilized, all while raising concerns about vendor lock-in and data ownership. They needed a lighter, more flexible, and scalable solution. We turned to Strapi, a headless, flexible CMS that met those goals. While Nuxeo provides extensive capabilities, our client faced challenges, including: Vendor Lock-In: Proprietary data structures limited portability, while rigid workflows and constrained schema customization restricted flexibility. This created long-term dependency on Nuxeo and slowed the team’…  ( 10 min )

TL;DR: I was calling my Rust SMS proxy on a Google Cloud VM by IP:8080, which caused Cloudflare 1003 errors and browser warnings. I mapped a hostname (example-proxy.example.com) to the VM, opened ports 80/443, put Caddy in front of my Rust app, and let it auto-issue a Let’s Encrypt certificate. Result: clean HTTPS endpoint that “just works,” and an easy env var for my Cloudflare Worker: SMS_API_URL=https://example-proxy.example.com/sms/send. I built a Rust program that proxies SMS requests. It ran fine at http://203.0.113.45:8080, but when I integrated it with a Cloudflare Worker and the frontend, I started seeing: 404 Not Found (from my origin on routes I hadn’t defined yet) Cloudflare 1003 (when requests were made by IP instead of a hostname) This post documents what the errors actually …  ( 10 min )

Introduction   Every user has the same goal — to use your product effectively and efficiently. Only then will they decide it’s a good fit for their needs. And if a user can’t find value in your product, it won’t take long for them to move on to something else.  Usability testing is an essential part of testing a new product. It allows us to find problems, fix issues, and create a better product. However, even if you know that usability tests are essential, choosing between different tests can be challenging. If your product is not user-friendly, you’ll lose customers, which can damage your company’s reputation.  In this article, we’ll share the best four usability testing methods. Usability testing, also known as a user experience test or UX test, is a method of evaluating the effectiven…  ( 12 min )

I was pair programming with my senior engineer Sarah last week when she asked Claude to help refactor our payment processing logic. The AI suggested elegant code patterns, perfect syntax, beautiful abstractions—and completely broke our fraud detection system. "The problem isn't the code," Sarah said, staring at the failing tests. "It's that Claude doesn't know our system. It's writing poetry when we need architecture." This moment crystallized something I've been wrestling with across my two decades building scalable platforms: AI assistants have become incredibly sophisticated syntax helpers, but they're flying blind when it comes to understanding our actual systems. They can write perfect React components without knowing your design system, craft beautiful API endpoints without understan…  ( 12 min )

In Episode 1071 of the No Laying Up Podcast, Soly and Neil put “Big Randy” in the personal golf spotlight, digging into his swing quirks, gear setup, evolving relationship with the game and even his all-time top ten courses. Along the way they invite listeners to support the Evans Scholars Foundation, thank sponsors Titleist, Rhoback and The Stack, and remind you to join the No Laying Up Nest, subscribe on YouTube and follow the squad across Instagram, Twitter and Facebook. Watch on YouTube  ( 6 min )

Hollow Knight: Silksong enthusiasts can finally nab the legendary Faydown Cloak and unlock the coveted double jump in IGN’s latest video guide. It dives deep into the game’s tougher zones and shows exactly where to look and which obstacles to overcome for this classic Metroidvania move. Be prepared to explore new areas, defeat challenging foes, and piece together hidden clues—all necessary steps before you earn that sweet, mid-air boost. Follow the straightforward walkthrough and you’ll be soaring above Pharloom’s dangers before you know it. Watch on YouTube  ( 6 min )

👋👋👋👋 Looking back on your week -- what was something you're proud of? All wins count -- big or small 🎉 Examples of 'wins' include: Submitting to a DEV Challenge 😉 Starting a new project Fixing a tricky bug Cleaning your keyboard...or whatever else that may spark joy 😄 Happy Friday!  ( 6 min )

If you’re a Ruby on Rails developer, chances are you’re here because you care about writing cleaner, smarter code. Rails gives us a great starting point, but as apps grow, things can get messy fast — fat models, overstuffed controllers, and callbacks that feel like ticking time bombs. That’s where design patterns step in. They’re not about adding complexity — they’re about giving your code structure, flexibility, and clarity. The best part? You don’t need to learn all 20+ patterns. In real-world Rails projects, developers usually rely on just a handful. In this post, we’ll explore 5 design patterns you’ll actually use in Rails — patterns that help refactor fat models, simplify controllers, and keep your app clean. 1. Strategy Pattern The Problem - Imagine you’re building an e-commerce app …  ( 11 min )

Overview Key Features Multi-Language Support: Works with JavaScript, TypeScript, Python, Java, and .NET. Headless Mode: Enables fast, GUI-less testing ideal for CI/CD pipelines. Automatic Waiting: Waits for elements to be actionable, reducing flaky tests. Browser Contexts: Simulates multiple users with isolated sessions. Device Emulation: Tests responsive designs across various screen sizes. Network Interception: Mocks API responses and simulates network conditions. Built-in Debugging Tools: Includes codegen, trace viewer, and inspector. Architecture Advantages Over Other Frameworks Limitations Limited language support compared to Selenium. No support for legacy browsers like IE11. Getting Started To install and run Playwright:  ( 6 min )

API Idempotency: Why Your System Needs It? In any system, there are processes that cannot be duplicated and the system must be resilient to duplicate requests. It's better to prevent issues rather than correct them later down the line. Clients retry failed requests. Your system processes them multiple times. Data gets corrupted. Client: "Add 100 units to inventory" Server: Adds it Client: Network fails, hence retries Server: Adds 100 units... twice Result: 200 units instead of 100 ❌ Create unique idempotency key for each request Re-use same idempotency key for any retry attempts If idempotency key is given, save the successful responses. Only success 2XX responses because they are the only ones that update the main DB data. Other 4XX, 5XX do not change the DB. If idempotency key is not …  ( 7 min )

Production-grade navigation in React Router isn’t just useNavigate('/path') sprinkled everywhere. Centralize it. Type it. Test it. This post shows a reusable navigation hook (useRouteNav) and how to wire it into components like a pro. A tiny custom hook that wraps useNavigate and useLocation with typed, reusable intent methods. A Topbar component with a Create Customer button that navigates to /addCustomer. A HomePage that wires search + navigate together. Optional: List cards that navigate to /customers/:id on click. A tidy router using createBrowserRouter (with Suspense for lazy pages). A minimal CustomerAddPage stub to complete the flow. This pattern scales nicely: all app navigation lives in one place. When you later add analytics, permissions, or audits around navigation, you do it on…  ( 9 min )

so i was bored one night and made this little tree simulation thing. took like an hour, thought it was cool, then forgot about it for months in my trash folder. later i was working on pathforge (interactive fiction tool) and spent days trying to figure out tree layouts for story nodes. nothing was working. then i remembered that old file... here's the core part: class Branch: def __init__(self, start, angle, length, depth): self.start = start self.angle = angle self.length = 0 self.target_length = length self.depth = depth self.finished = False self.children = [] self.static = False def grow(self): if self.length = MIN_BRANCH_LENGTH: child = Branch(end, self.angle + delta, new_length, self.depth + 1) self.children.append(child) basically each branch grows and spawns kids when it's done. random angles make it look natural. ended up using this for pathforge's tree layout and it works pretty well. full code on github  ( 6 min )

I’ve been meaning to write this blog for a long time. This year, I went to Toronto Tech Week — and honestly, I had a fantastic experience. I met incredible people, had deep conversations, and built some great connections. But… you can’t go to a big tech event without running into at least a few Tech Bros. I don’t mean that as an insult. Some of them were probably just having an off day, and I’m sure they’re perfectly nice in other contexts. But some of these encounters were so surreal, I can’t not share them. So here’s my field guide to the Tech Bros of Toronto — five types I personally met this year. I get it: you need a certain personality to be a startup founder. You have to be confident, maybe even a little bit egotistical. At one event, I met a group of founders — the COO, CEO, and CT…  ( 9 min )

A certain company plans to provide affordable housing benefits to married employees within the company. This benefit is only available to families where both spouses are within the company, and one of the conditions is that the age of the couple is 70 years old or above. Here is the employee information table of the company: Employees： Try to identify families with total age of 70 and above. To solve this problem, simply replace the employee fields in the relationship table with the corresponding employee records, and then directly extract the corresponding employee's date of birth. Next, calculating age, age sum, and filtering operations will be very easy. Try.DEMO A3 uses the switch function to replace the employee ID in the relationship table with the corresponding employee record. This way, the employee's date of birth can be obtained to calculate their age. A4 uses the table in A2 to generate a new table sequence for calculations, including the names and sum of ages of the spouses: A5 selects families with total age of 70 and above: SPL is open-source. You can obtain the source code from GitHub . Try it free~~  ( 6 min )

Excel Grid Library: A jQuery plugin that transforms ordinary HTML tables into interactive Excel-like spreadsheets with real-time formula calculations and keyboard navigation. Key features include: • Smart keyboard navigation and editing Perfect for building financial calculators, project dashboards, and inventory systems without the complexity of enterprise solutions. 👉 Blog Post 👉 GitHub Repo 👉 Live Demo  ( 6 min )

🌟 ¿Qué son los GANs? GAN significa Generative Adversarial Network. Fueron introducidas en 2014 por Ian Goodfellow. Son uno de los temas más influyentes en Deep Learning. Un GAN está formado por dos redes neuronales que se entrenan juntas y en oposición: Generador (Generator): crea datos sintéticos (imágenes falsas) a partir de ruido aleatorio. Discriminador (Discriminator): distingue entre imágenes reales y falsas. El generador aprende a engañar al discriminador, mientras que el discriminador aprende a detectar el engaño. Este “juego” es lo que hace que el generador produzca imágenes cada vez más realistas. 🤖 Ejemplo clásico Una de las aplicaciones más conocidas es la generación de rostros humanos. Páginas como This Person Does Not Exist generan caras hiperrealistas de personas que nunca…  ( 6 min )

Scraping Tripadvisor listings allows you to gather detailed information about various attractions, hotels, or restaurants, including descriptions, amenities, pricing, and user-generated ratings. This data can be instrumental in understanding market trends, identifying competitors, and optimizing your own listings or offerings in the travel industry. Luckily, you can do this easily using our brand new Tripadvisor API. We'll see how to scrape it in cURL, Python, and JavaScript. We can scrape restaurants, things to do, hotels, destinations, vacation rentals, and forum information. Here is the list of data you can retrieve from this Tripadvisor Search API: title description rating reviews location thumbnail highlighted overview This is perfect if you need to collect place data f…  ( 9 min )

🤖 Originally published on Awesome Robots This article is part of our comprehensive coverage of AI robotics developments. Visit awesomerobots.xyz for the latest robot reviews, buying guides, and industry analysis. This week's highlights - From promising demos to serious scaling moves Figure hits $39B valuation - Massive $1B+ Series C funding round with major tech investors OpenAI doubles down on robotics - Heavy hiring for humanoid systems and embodied AI Research advances in torque-aware VLAs - Better physical constraints and safety in robot learning CoRL 2025 accepts key papers - Multi-arm manipulation and long-horizon robot learning Competition scene in China - Intelligent Bionic Robot Competition showcases innovation Over the past week, things have edged from "promising demos" toward s…  ( 9 min )

In recent news, Slack has raised its charges by a staggering $195,000 per year, prompting many organizations to reassess their communication tool choices. This significant price increase, which can heavily impact budgets, particularly for large teams, highlights the need for businesses to consider both cost and functionality when selecting collaboration tools. Slack, while a powerful tool for team communication and integration, may not be the only option. In this blog post, we will explore the implications of this price hike, examining alternatives and integrating technologies that can reduce costs while maintaining productivity. We will delve into implementation strategies with practical code snippets and configuration examples, ensuring developers have the resources they need to navigate…  ( 8 min )

Ever wondered how deployment practices evolve as you move from student projects → startups → big tech? This video breaks it down in the most entertaining way possible. Here’s the technical summary: Uploads files directly to production. No CI/CD, no rollback strategy. Tools: scp, FTP, or manual uploads. Risk: High. Environments: Local → Test → Production. Backend: Node.js + Express.js. Hosting: AWS EC2. Workflow: Code pushed → tested manually → deployed manually. Better than student level, but still fragile. CI/CD pipelines (GitHub Actions). Every commit triggers automated build + integration tests. Auto-deploy to test, then to production if tests pass. Rollback if deployment fails. Consistent, scalable, reliable. CI/CD for automation. Environment separation (local, test, prod). Testing & rollback for reliability. AWS EC2 + Node.js/Express.js for hosting & backend. 🎯 Final Thoughts The video is not only hilarious but also a practical teaching tool: Students see why manual deployments don’t scale. Startups learn why staging environments matter. Developers get a glimpse of how big tech handles deployments at scale. 👉 As your project grows, automation and testing are no longer optional. They’re essential.  ( 6 min )

I'm developing a Flutter app using Firebase Auth, and I'm experiencing a persistent issue where users get logged out every time they close the app completely (kill from recent apps) and reopen it. The authentication should persist automatically on mobile platforms, but it's not working. Problem: User logs in successfully ✅ User closes app normally (minimize) - stays logged in ✅ User kills app completely and reopens - gets logged out and redirected to login❌ main.dart: void main() async { WidgetsFlutterBinding.ensureInitialized(); try { await Firebase.initializeApp( options: DefaultFirebaseOptions.currentPlatform, ); await SecurityService.initialize(); AntiDebugService.startMonitoring(); ObfuscationUtils.executeDummyOperations(); } catch (error) { debug…  ( 8 min )

This is a simplified guide to an AI model called Roop maintained by Okaris. If you like these kinds of analysis, you should join AImodels.fyi or follow us on Twitter. The roop model, also known as chameleonn, provides one-click face swapping capabilities for both images and videos. Created by okaris, this tool enables users to seamlessly replace faces in media content with minimal effort. Unlike advanced-face-swap which focuses on swapping one or two people into target images, or become-image which adapts faces into different image styles, this model emphasizes simplicity and speed for straightforward face replacement tasks. The model shares similar functionality with roop_face_swap, offering comparable video face swapping capabilities. The model accepts source and target media files along with several control parameters to customize the face swapping process. Users can maintain video frame rates and enhance facial details through optional settings. source: The image or video file containing the face you want to use as replacement target: The image or video file where you want to apply the face swap keep_fps: Boolean option to preserve the original frame rate of video content keep_frames: Boolean setting to maintain all frames during video processing enhance_face: Optional enhancement to improve facial detail quality in the output Output array: Collection of processed media files with completed face swaps applied This face swapping technology processe... Click here to read the full guide to Roop  ( 6 min )

Docker 容器 docker run \ --name postgres \ -e POSTGRES_PASSWORD=postgres \ -e TZ=PRC \ --restart=always \ -e PGDATA=/var/lib/postgresql/data/pgdata \ -v /var/docker/postgres:/var/lib/postgresql/data \ -p 5432:5432 \ -d postgres docker exec -it postgres bash # 进入 pg 容器 以下步骤都是在 PG 容器中操作。 安装依赖： postgresql-server-dev-17 改成对应版本，也可以在 docker run 中明确指定拉取的镜像版本，以便保持统一。 apt update -y && apt install lsb-release wget gcc make git bzip2 postgresql-server-dev-17 -y 编译 Zhparser： cd /tmp wget http://www.xunsearch.com/scws/down/scws-1.2.3.tar.bz2 tar -jxvf scws-1.2.3.tar.bz2 cd scws-1.2.3 ./configure && make && make install cd .. git clone https://github.com/amutu/zhparser.git cd zhparser/ make && make install 验证安装。首先连接到 PG 服务器： psql -U postgres 然后： CREATE EXTENSION zhparser; -- 启用 Zhparser 扩展 CREATE TEXT SEARCH CONFIGURATION chinese (PARSER = zhparser); -- 中文全文检索 ALTER TEXT SEARCH CONFIGURATION chinese ADD MAPPING FOR n,v,a,i,e,l WITH simple; -- 修改词性 select ts_token_type('zhparser'); -- 词性列表 测试： to_tsvector 测试： SELECT to_tsvector('chinese','人生得意须尽欢，莫使金樽空对月。天生我材必有用，千金散尽还复来。Hello world'); 结果： to_tsvector ------------------------------------------------------------------------------------------------------------------------------ 'hello':12 'world':13 '人生':1 '使':4 '千金':8 '复来':11 '天生我材必有用':7 '对月':6 '尽':10 '尽欢':3 '得意':2 '散':9 '空':5 (1 row) to_tsquery 测试： SELECT to_tsquery('chinese', '金风玉露一相逢，便胜却人间无数。It & works'); 结果： to_tsquery -------------------------------------------------------------- '金风玉露' '相逢' '胜' '人间' 'it' & 'works' (1 row) 参考：https://www.fdevops.com/2023/02/05/postgres-zhparser-31246  ( 6 min )

Dying Light: The Beast – Quick Tips TL;DR Dying Light: The Beast crams 11 essential pointers into one brutal zombie romp. First, know roughly how long you’ll be hacking and climbing, brace for a spike in difficulty, then nail your kick timing and stamina management. Decide when to go one-handed or two-handed, sharpen your aim and master those QTEs for maximum carnage. Don’t skimp on the loot—every scrap counts. Dive into Beast Mode like a beast, then fine-tune your arsenal with mods and make the most of vendors to stay ahead of the hordes. Watch on YouTube  ( 6 min )

3-Minute Sneak Peek at Keeper Double Fine, the studio behind Psychonauts, has unveiled a fresh three-minute gameplay trailer for their upcoming atmospheric puzzle game, Keeper. The teaser dives into moody environments, clever mechanics, and that signature Double Fine charm. Keeper is slated to launch on October 17, 2025, for Steam and Xbox—mark your calendars for some mind-bending fun. Watch on YouTube  ( 6 min )

The 2 a.m. Debugging Special It’s 2:07 a.m. 120 items in stock. 0. 42. The database insists there are plenty. The cache says sold out. The frontend store is oscillating like a ceiling fan with a bent blade. The local offline cache is basically a time capsule from last Thursday. And feature flags? They’ve split the timeline into alternate universes where customers either can’t buy at all - or get the last unit forever. I’m not debugging software. I’m cross-examining witnesses. Each one says, “I’m the truth.” None of them are. On the whiteboard, it was a thing of beauty. Database at the core. A cache to keep it lean. An in-memory store for hot paths. A frontend store to normalize state. A local copy for offline kindness. Feature flags for safety. Analytics humming quietly in the background…  ( 7 min )

If you work in tech, risk, or leadership, you know how much work goes into passing audits. Teams push hard to meet the rules of standards like SOC 2, ISO 27001, HIPAA, or PCI DSS. Everyone feels great when they get that certificate. The sales team can now show the world: "We are compliant!" This is a real achievement. It shows you are serious, builds trust with customers, and is often a must-have to win business. But this leads to a dangerous and tempting false idea: the belief that if you are compliant, you are secure. You are not. Mixing up these two ideas is a serious and costly mistake. Compliance is a picture of your security at one moment in time, based on a fixed set of rules. Security is the ongoing, always-changing fight to protect your systems from clever and adaptive attackers.…  ( 9 min )

Introduced as stable in Next.js 13.4, the App Router represents a major leap forward compared to the traditional Pages Router. Built on React Server Components (RSC), this new architecture enhances performance, enables more complex UI patterns, and completely refreshes the developer experience. In this article, we’ll cover a comparison between Pages Router and App Router, file conventions, Suspense and Streaming, Parallel Routes and Intercepting Routes, the component, and middleware—all the practical points you should know. Let’s start by comparing the legacy Pages Router with the new App Router to get the big picture. Feature Pages Router App Router Directory pages/ app/ Component Type Client Components by default Server Components by default (use client to switch) Data …  ( 8 min )

Once upon a Unix timestamp, WebKit added a set of CSS attributes, and viewport-fit meta tag, to help developers adjust their web apps for the iPhone X. Although these attributes still work for the iPhone, I am surprised that these features does not work in iPadOS 26, which of course, featured more rounded corners, and a new windowed mode with the "traffic light" window controls overlaying each running app. This image below shows the exact same demo running on iPadOS 26.0 (23A341). When I thought Apple would use the same env() variables to re-adjust the layout of web apps to be more immersive in windowed mode, This is what I got with: The window controls covering the "Blog" link. Imagine if another app has a hamburger menu icon blocked by the same controls A black gap between the viewport content and the top window edge. It could have been better to allow env(safe-area-inset-top) to offset the site content from the window decoration/controls, while maintaining the immersive look and feel for the new iPadOS (and possibly macOS, too). Unless when the web app developers want to replicate the common Mac look and feel, with window controls properly aligned with the website's navigation bar. I am in full support of this too, considering the immersive benefits for both GNOME and Windows.  ( 6 min )

For a long time, software development and security were separate. Development teams focused on building features quickly. Security teams focused on finding risks and vulnerabilities. They worked in silos. Developers would finish an application and then "throw it over the wall" to the security team for testing right before launch. This caused last-minute panic to fix issues, delayed releases, and frustrated everyone. This old way of working is no longer just inefficient; it's unsafe. Today, cyberattacks are common, and one software weakness can lead to a major data breach. Security can't be an afterthought. It must be built into every step of the development process. This is the main idea behind DevSecOps—and it is now essential for any company that creates software. "Shifting left" means…  ( 8 min )

Hey there! Thanks for stopping by. I'm Mitch, a video game narrative designer. I’ll be honest: for a long time, I didn’t feel like a “real” narrative designer. I wasn’t at a big studio. I hadn’t shipped anything people had heard of. Most of my story experiments lived in half-finished docs, or just in my head. Everywhere I looked, other people seemed more official. More polished. More qualified. Maybe you’ve felt that too. Maybe you’ve thought: “I’m just a hobbyist.” “I’m just an indie dev.” “I just have a story idea — that doesn’t count.” But here’s the thing I’ve learned (and I have to keep reminding myself of): Being a narrative designer isn’t something you wait for someone else to grant you. It’s something you decide to be. We live in a world that celebrates public wins — launches, …  ( 7 min )

AI coding tools are reshaping how we build software. They speed up everyday tasks, reduce bugs, and help teams ship features faster. Recent government research, including GDS’s practical guidance on why you should use AI coding assistants in the public sector, matches what I’ve seen on real projects: pick the right assistant and you’ll ship more, with fewer oops-moments. Many developers also rely on versatile helpers like ChatGPT for debugging, code explanations, and quick prototypes. If you want an AI pair programmer built into your editor, try GitHub Copilot for real-time suggestions and completions. For content-heavy workflows (docs, guides, changelogs), see our roundup of the best AI writing tools 2025. I still remember the first time an assistant wrote my tests before my coffee got co…  ( 9 min )

Part 4 of the "From Zero to AI Agent: My Journey into Java-based Intelligent Applications" series Now that we have our MCPService handling tool connections, we need to add the "intelligence" to our agent. This means connecting to Large Language Models (LLMs) that will help us understand user queries and decide which tools to use. Today we'll build a HTTP client that can talk to popular LLM providers like Groq and Google Gemini. No complex libraries, just modern Java HTTP calls with clean JSON parsing using records and Jackson. These providers are chosen for their generous free tiers, offering high token quotas ideal for prototyping and learning. Groq: Fast inference with Llama models, great for real-time apps. Its free tier supports up to 131,072 tokens per minute, allowing millions daily…  ( 9 min )

If you're not sure how to take advantage of Graphite but your colleagues are raving about it, here's what I wish I was told from the beginning when we started experimenting with Graphite at Semgrep. I propose a workflow that makes it easy to revise previous commits, reduces conflicts, and avoids having unrelated changes in the same PR. A stack of pull requests isn't really a stack of pull requests, it should be treated as a stack of changes. Even though technically each change in the stack ends up being a GitHub pull request as we know it, a stack of changes functionally is the equivalent of one large traditional GitHub pull request implementing a new feature in multiple steps. Here's how to think of a stack: A Graphite stack should be thought of as a sequence of changes necessary to deliv…  ( 10 min )

AI Writing Tools have gone from nice-to-have to essential. Whether you draft blog posts, social captions, newsletters, or SEO pages, today’s AI Tools help you research faster, write clearer, and publish more consistently. If you’re building a productivity stack, start with our pillar resource, the AI tools productivity guide, then use this roundup to pick the best writing tools for your workflow. Key idea: Tools matter, but results come from a clear process, strong prompts, and human editing. AI should accelerate your craft, not replace it. We evaluated popular writing tools using five lenses: Core features and writing quality (highest weight) Pricing and value for money Security and compliance Customer support Ease of use and integrations Recent industry research shows strong adoption of …  ( 11 min )

Tencent Fires Back at Sony Over “Horizon” Clone Claims Tencent isn’t taking Sony’s lawsuit lying down—after being accused of ripping off Horizon Zero Dawn for its Light of Motiram game, Tencent pointed the finger right back, claiming Horizon itself borrowed major ideas from Ninja Theory’s Enslaved: Odyssey to the West. Former IGN editor Destin Legarie has what look like legit price leaks for the ROG Xbox Ally X—and brace yourself, it’s a hefty tag. On the brighter side, Borderlands 4’s latest PC patch is out now, aiming to squash those nasty performance hiccups. Watch on YouTube  ( 6 min )

Razor BlackShark V3 Pro Review Razer’s BlackShark V3 Pro delivers punchy, precise audio and all-day comfort, tackling the core essentials of a gaming headset better than most. With thoughtful extras and solid wireless performance, it’s easily one of Razer’s best headsets yet. Watch on YouTube  ( 5 min )

Good documentation is the backbone of a supported and empowered community. From the moment someone new joins and finds a clear guide to get started, to the experienced member who can quickly find a process, well-organized information saves everyone t...  ( 10 min )

When working with Python, you may need to perform a tokenization operation on a given text dataset. Tokenization is the process of breaking down text into smaller pieces, typically words or sentences, which are called tokens. These tokens can then be...  ( 7 min )

On this week's freeCodeCamp podcast we're talking with software engineer Ihechikara Abba, who has a chess ELO rating of 2285, putting him among top competitive chess players. We just published his freeCodeCamp course on chess end games, and an accomp...  ( 4 min )

SQLite is one of the most underappreciated tools in a developer's toolkit. It's a full-featured relational database that runs directly in your application. No server setup. No configuration files. No network protocols. Just a simple library that give...  ( 5 min )

AI is changing the image generation and editing process into a smooth workflow. Now, with just a single prompt, you can tell your computer to generate or edit an existing image. Google just launched its new model for image generation or editing, "Nan...  ( 10 min )

When building Flutter applications, managing local data efficiently is critical. You want a database that is lightweight, fast, and easy to integrate, especially if your app will work offline. Isar is one such database. It is a high-performance, easy...  ( 7 min )

Prepare for the Databricks Data Engineer Associate Certification exam and pass! We just posted a new course from Andrew Brown on the freeCodeCamp.org YouTube channel that will help you earn the Databricks Data Engineer Associate Certification. This c...  ( 4 min )

Nearly a decade after losing access to his Coinbase account, NBA star Kevin Durant is once again in control of his Bitcoin holdings, according to the exchange CEO.

The distribution marks the third payout to creditors of the former exchange as it continues dispensing up to $16.5 billion in funds.

The bill to establish rules for payment stablecoins was signed into law by US President Donald Trump in July and awaits final regulations before implementation.

Uniswap, Aptos, BNY, Chainlink, JP Morgan and Franklin Templeton executives join CFTC’s Digital Asset Markets Subcommittee under Acting Chair Pham.

PayPal launches P2P crypto links, Google tests AI payments, miners pivot to data centers and Bitwise eyes stablecoin ETF.

Ether’s road to $5,000 looks clear, especially if TradFi adoption and spot ETH ETF inflows continue at their current pace.

Spokespersons from Rena Labs told Cointelegraph that the recent MYX trading patterns suggested almost certain market manipulation.

Ethena has partnered with Flowdesk to boost USDe and USDtb access, as USDe surpasses $14 billion in market cap and becomes the third-largest stablecoin.

The former SEC chair and Paul Atkins, the current head of the agency, both made media appearance this week to address significant policies proposed by US President Donald Trump.

Bitcoin faced solid selling at $117,500, but the real test is whether or not bulls can maintain BTC price above $115,500. Meanwhile, most altcoins are expected to rise higher.

Public firms are raising hundreds of millions in capital for cryptocurrency strategies, reinforcing investor expectations of another historic altcoin market cycle.

XRP failed to overcome the $3.20 resistance level, but technical charts and onchain data conclude that bulls are still in control. Is $5 possible by Q4?

Global exchanges Coinbase and OKX are betting big on Australia’s pension pie, pushing crypto into self-managed super funds.

Bitcoin gained fresh downward BTC price predictions on the back of an options expiry event and thickening bid liquidity on exchange order books.

EU finance ministers agreed to impose holding limits on the digital euro, reaching consensus on procedures for setting caps during the latest Eurogroup meeting.

The adoption of TEEs in crypto is accelerating. But what does this technology truly offer?

The European Union is looking to block Russian crypto transactions, marking the first time that sanctions have directly targeted cryptocurrency platforms.

Bitcoin’s price pumped on news that the US Federal Reserve would cut rates by one quarter of a point.

The EU’s landmark crypto law was meant to unify the market with a single license. Less than a year in, diverging national approaches are raising fears of regulatory arbitrage and uncertainty.

Stablecoins’ transparent blockchain nature could revolutionize financial crime detection, giving law enforcement unprecedented global transaction visibility.

Analysts are warning of a potential investor “recalibration” for short-term market volatility, which has historically occurred after US interest rate cuts.

While Kraken said that the partnership opens up stocks for 200 million users, the exchange said that geographical restrictions exist.

Multiple technical and onchain indicators suggested a potential Cardano price rally toward the $1.25 mark in the coming days.

To guard against a distant quantum risk, El Salvador moved 6,000 BTC into 14 wallets, a move hailed as prudent custody by some and theatrics by others.

Over 72 percent of circulating BTC is now illiquid, suggesting reduced sell-side pressure and a continued downtrend of Bitcoin supply on cryptocurrency exchanges.

The Bank of Italy's vice director warned that multi-issuance stablecoins pose risks to EU financial stability and should be restricted to equivalent regulatory jurisdictions.

The proposal seeks to create more value for long-term WLFI tokenholders, while exploring additional protocol revenue sources for token buybacks.

After Changpeng Zhao congratulated it on X, community members speculated that the Binance co-founder may be behind the Aster project.

An inverse head-and-shoulders pattern and bullish momentum signals point to ETH gaining ground on Bitcoin in the weeks ahead.

Explore the history of attempts to change Bitcoin’s 21-million hard cap and why it has proven to be hard to create an alternative to the apex asset.

Bitcoin can easily return to price “expansion” based on data from the NVT leading indicator, new BTC price research from CryptoQuant concludes.

Ethereum's core developers have agreed to ship the Fusaka hard fork on Dec. 3, introducing 12 EIPs to boost scalability, security and cut costs.

Michigan’s crypto reserve bill has advanced to the committee stage, allowing 10% state investment in digital assets.

Solana founder Anatoly Yakovenko forecasts a “50/50” chance of a quantum computing breakthrough by 2030, and says the Bitcoin community must “speed things up.”

Canadian police have seized $40 million in crypto from TradeOgre, which the exchange’s supporters have criticized as heavy-handed.

Vietnam is reportedly closing 86 million bank accounts. Crypto advocates see it as the latest reason everyone should hold Bitcoin.

Trump is reportedly exploring other CFTC leadership options after the Winklevoss twins derailed Brian Quintenz’s nomination over enforcement disputes with the Gemini exchange.

Into The Cryptoverse founder Benjamin Cowen said such a steep drawdown isn’t guaranteed, but “history would at least caution us.”

Novel ETFs tracking XRP and Dogecoin have surpassed analyst trading volume expectations, together seeing $54 million in trades on their debut.

PayPal is adding support for a permissionless version of its PYUSD stablecoin on Tron, Avalanche and several other blockchains via LayerZero and its Stargate Hydra bridge.

The latest round of redistributions marks another step in the bankruptcy estate’s plan to make creditors whole after the 2022 collapse of Sam Bankman-Fried's exchange.  ( 28 min )

Hedera’s token endured a sharp decline, breaching key support levels before stabilizing near $0.24.  ( 30 min )

XLM fell 3.58% to $0.39 on heavy institutional selling, but fresh corporate partnerships and stablecoin integrations highlight Stellar’s long-term growth prospects.  ( 29 min )

The regulator's move sets the stage for a wave of new crypto products coming to market, but that alone won’t drive demand, analysts cautioned.  ( 30 min )

Even with the pullback, bitcoin continues to make higher lows, a positive technical development.  ( 29 min )

The crypto industry has entered the long slog of rule writing on the stablecoin law, and the Treasury is inviting input on how to deal with illicit activity.  ( 30 min )

Threatening the $118,000 level hours earlier, bitcoin slipped back to the $116,000 area.  ( 29 min )

Valour, a DeFi Technologies subsidiary, introduced a bitcoin staking ETP to the LSE. It is restricted to professional investors and offers a 1.4% annual yield.  ( 28 min )

Without significant expansion, the new wave of stablecoin launches may simply redistribute market share rather than grow the pie, said the bank.  ( 29 min )

Sui (SUI) fell 5.6% and Bitcoin Cash (BCH) dropped 4.7%, leading the index lower from Thursday.  ( 25 min )

The rollout continues Ethereum’s scaling drive, following March’s Dencun blobs debut and May’s Pectra upgrade.  ( 28 min )

No content preview  ( 30 min )

Your day-ahead look for Sept. 19, 2025  ( 37 min )

ZKsync, Further Ventures, EigenCloud and 500 Global back privacy-driven DEX in push toward trillion-dollar on-chain finance  ( 28 min )

Brera, a Nasdaq-listed sports club owner, raised $300 million from United Arab Emirates-based Pulsar Group to buy Solana's SOL token.  ( 27 min )

The deal aims to strengthen IG’s position in the Asia-Pacific crypto market and complements its recent crypto rollouts in the U.K. and U.S., the firm said.  ( 27 min )

The bill proposes allowing the state treasury to invest up to 10% of its reserves in bitcoin and potentially other cryptocurrencies.  ( 28 min )

Bitcoin (BTC) puts trade at a premium across all time frames.  ( 29 min )

The impressive first day debut highlights growing investor appetite for alternative investment vehicles tied to altcoins.  ( 28 min )

Lys Labs turns chaotic Solana data into meaningful context with high-performance infrastructure, powering agents, bots, and algorithmic systems at scale.  ( 5 min )

This is today’s edition of The Download, our weekday newsletter that provides a daily dose of what’s going on in the world of technology. A pivotal meeting on vaccine guidance is underway—and former CDC leaders are alarmed This week has been an eventful one for America’s public health agency. Two former leaders of the US Centers for…  ( 21 min )

Even though realme has just recently launched its new “AI Party Phone”, the realme 15 series, leaks reveal that the company is already working on a new phone. The phone in question is the previously undisclosed realme 15x. What makes this leak so different from the rest is that some people already have the alleged […] The post Alleged realme 15x Images, Videos Leak Online appeared first on Lowyat.NET.  ( 34 min )

Adata is a brand that has been a mainstay in the memory game for as long as I can remember. Recently, the company sent me over two products from its XPG gaming range: the XPG Mars 980 Blade 1TB PCIe 5.0 SSD and a Lancer Neon RGB DDR5 memory kit. In this review, I’ll be […] The post XPG Mars 980 Blade SSD Lightning Review: Fast And Relatively Cool Under Pressure appeared first on Lowyat.NET.  ( 36 min )

It is no secret that Google has been expanding the capabilities of its Gemini AI for quite some time now. Now, the multinational company officially announced that it will be integrating these AI features into its 17-year-old browser, Chrome. The tech giant reasoned that this AI integration is designed to improve productivity, simplify complex information, […] The post Google Rolls Out Gemini Integration With Chrome For US Users appeared first on Lowyat.NET.  ( 35 min )

The handheld gaming brand Ayaneo has just launched the Pocket AIR Mini, touted to be the company’s most accessible console yet. According to the official landing page, the console is said to have “flagship DNA” like its other, more robust units but retails for an “entry-level price”. In terms of specs, the Pocket AIR Mini […] The post Ayaneo Launches Pocket AIR MINI Handheld; Priced From 499 Yuan appeared first on Lowyat.NET.  ( 34 min )

International sellers who wheel and deal on US-based online retailers such as eBay and Etsy are intentionally jacking up their shipping costs to the US now, and the reason is obvious: to deter Americans from buying their products and, ultimately, avoid dealing with the headaches brought on by President Trump’s tariffs. In the case of […] The post International Sellers Are Jacking Up Shipping Costs To US To Avoid Dealing With US Tariffs appeared first on Lowyat.NET.  ( 35 min )

Panasonic has announced that it is aiming to develop a higher-capacity battery pack that could extend the range of electric vehicles within the next two years. According to Reuters, this was revealed by a company executive ahead of a presentation by the technology chief, Shoichiro Watanabe. The report notes that the technology is currently being pursued […] The post Panasonic Aims To Develop A New, Higher Density EV Battery appeared first on Lowyat.NET.  ( 34 min )

PLUS Malaysia Berhad has been instructed by the Malaysian Highway Authority (LLM) to implement Account Based Transaction (ABT), widely known as PayDirect, on its highways, including the North-South Expressway (NSE). This implementation has been a topic of discussion since it was introduced back in 2019. Despite that, it has yet to be implemented on the […] The post LLM Orders PLUS To Accelerate Rollout Of PayDirect eWallet On Highways appeared first on Lowyat.NET.  ( 34 min )

Maybank has announced that it will be conducting its periodic system maintenance this weekend. As per usual, several banking services will be unavailable while this is happening. The planned maintenance activity is scheduled for Saturday, 20 September 2025, from 12AM until 8AM. The service disruptions will occur in several phases within this timeframe. Among the […] The post Maybank Schedules System Maintenance For 20 September 2025 appeared first on Lowyat.NET.  ( 33 min )

It wasn’t that long ago when Nothing released the Headphone (1), its first over-ear wireless headphones. Now, it looks like its budget-friendly sub-brand CMF will be doing the same soon. If the teaser is anything to go by, this newer one is similarly adverse to plurals. Because it’s called the CMF Headphone Pro. Naming convention […] The post CMF To Release Its Own Wireless Headphones Following Nothing appeared first on Lowyat.NET.  ( 33 min )

Back in August, we reported that the Suzuki Fronx was confirmed for the Malaysian market, though its arrival date remained uncertain. Looks like the wait may be over, seeing how Suzuki Malaysia has announced that the car can now be booked. The Suzuki Fronx recently made its debut at the Gaikindo Indonesia International Auto Show […] The post Suzuki Fronx Hybrid Open For Bookings In Malaysia appeared first on Lowyat.NET.  ( 34 min )

NVIDIA may have just thrown Intel a lifeline. In a surprise announcement, the green GPU brand announced to the world that it is has partnered up with the blue chipmaker and together, they will be jointly developing “multiple new generations x86 products”. To seal the deal, NVIDIA has also purchased US$5 billion (~RM21 billion) worth […] The post NVIDIA Buys US$5 Billion In Intel Stock, Announces Partnership With Chipmaker appeared first on Lowyat.NET.  ( 34 min )

CelcomDigi has unveiled the E-Invoice Soundbox, an all-in-one device solution meant to aid micro, small, and medium enterprises (MSMEs) with the payment and invoicing processes. According to the telco, this bundle offers an affordable and accessible means for local businesses to adopt digital payment systems. The E-Invoice Soundbox offers real-time QR payment confirmation through audio […] The post CelcomDigi Announces E-Invoice Soundbox For RM88 Per Month appeared first on Lowyat.NET.  ( 33 min )

When Apple announced the iPhone 17 series, alongside the iPhone Air, the bitten fruit brand gave the phones an availability date of 19 September. With Malaysia now having our own official Apple store, we are also among those getting the device as soon as they are available. Those who placed their pre-orders beforehand were able […] The post iPhone 17 Series, iPhone Air Availability Starts Today In Malaysia appeared first on Lowyat.NET.  ( 33 min )

We previously saw claims of the Project Moohan, the Samsung mixed reality headset, launching on 29 September. That may have been true at some point, but that’s now claimed to not be happening on said date. A more recent report pins the launch as 22 October. The claim comes from Korean news site ETNews, which […] The post Samsung Project Moohan Launch May Happen On 22 October Instead appeared first on Lowyat.NET.  ( 33 min )

As previously promised, Nothing has announced its latest TWS earbuds, the Ear (3). Of course, the last minute leaks have left practically nothing to the imagination, but now we have full confirmation plus a few more details. Starting off, the Ear (3) features 12mm dynamic drivers with up to 45dB ANC. The buds support static […] The post Nothing Ear (3) Officially Launched; Priced At RM759 appeared first on Lowyat.NET.  ( 33 min )

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Check out this Pen I made!  ( 5 min )

Automate CloudWatch Agent Setup on EC2 with Terraform and AWS SSM Managing monitoring agents across EC2 instances can be challenging, but AWS Systems Manager (SSM) simplifies this with seamless automation. This post demonstrates how to use Terraform to deploy the CloudWatch Agent automatically to EC2 instances tagged for monitoring with both Linux and Windows configurations. This Terraform configuration sets up AWS Systems Manager (SSM) to automatically install and configure the CloudWatch Agent on EC2 instances tagged for monitoring, supporting both Linux and Windows. It includes IAM roles, SSM parameters, CloudWatch log groups, an S3 bucket for logs, CloudWatch dashboards, and SSM associations for automation. IAM Role and Instance Profile Creates an IAM role with permissions for EC2 t…  ( 7 min )

There was a time when education was like farming in its earliest form — slow, manual, and bound to the limits of muscle and daylight. The teacher’s chalk was the farmer’s plough, cutting furrows of knowledge into the soft soil of young minds. Lessons came in steady rows, planted with patience, harvested only after long seasons of repetition. It worked — but just like early agriculture, it was hard work with uneven results. Not every seed grew. The wind of forgetfulness carried some away; others struggled in the shadow of outdated methods. Today, however, we stand in an educational landscape that feels less like a humble field and more like a precision-engineered farm. In agriculture, mechanisation meant tractors, seed drills, and AI-driven soil analytics—machines that could plant, water, a…  ( 8 min )

In .NET development, Entity Framework (EF) Core is undoubtedly the king of the data access layer. It’s powerful, well-supported, and Microsoft’s official ORM (Object Relational Mapping) framework. But the best doesn’t always mean the most suitable. In certain scenarios, other ORM frameworks may outperform EF Core in terms of extreme performance, flexibility, or specific features. So, besides EF, which other ORMs in .NET are worth checking out? Let’s dive in. Before exploring ORMs, a stable and efficient .NET development environment is essential. For Mac users, this can sometimes be tricky due to environment and architecture differences. That’s where ServBay comes in. ServBay focuses on supporting modern, cross-platform .NET ecosystems, and runs natively on macOS. Specifically, Ser…  ( 8 min )

Introducción La Inteligencia Artificial Generativa (IA Generativa) es un subcampo de la IA que se enfoca en crear nuevos contenidos, como texto, imágenes, música, código y más, a partir de datos existentes. A diferencia de la IA tradicional que se centra en el análisis y la clasificación de datos, la IA Generativa tiene la capacidad de generar contenido original. Estos modelos, entrenados en grandes cantidades de datos, aprenden patrones y relaciones en el lenguaje, lo que les permite generar texto coherente y creativo. Estas redes neuronales consisten en dos partes: Generador: Crea nuevos datos Discriminador: Evalúa si los datos son reales o generados A través de un proceso iterativo, el generador mejora en la creación de datos cada vez más realistas. Generación de texto: Creación de co…  ( 13 min )

JetBrains' flagship framework for mobile platforms, Kotlin Multiplatform, has come a long way, evolving to offer the promise of "write once, run everywhere." The framework allows you to share business logic across platforms, which required native UI implementations for each platform. With the advent of Compose Multiplatform, JetBrains has taken this concept even further, enabling a true "write once, run everywhere" experience. Built on top of Kotlin Multiplatform, Compose Multiplatform allows developers to share both UI and business logic across all supported platforms, including Android, iOS, Web (via Wasm), and Desktop (via JVM). While this is a major leap forward, it’s important to acknowledge that Compose Multiplatform doesn't fully solve the challenge of a one-codebase approach for a…  ( 7 min )

The Ultimate Guide to AI Tools for Productivity AI Tools are reshaping how we plan projects, write content, dig through data, and design visuals. Teams that pair the right apps see real gains in Productivity, less busywork, faster calls, and better output. The first time I let an AI take my meeting notes, I realized I’d been playing on hard mode for years. Research estimates that generative AI could push labor productivity up each year through 2040, as outlined in The economic potential of generative AI: The next productivity frontier. In this guide, you’ll learn: What AI Tools are and how they help The best tools for common workflows (writing, meetings, tasks, design, and more) How to build a simple, safe AI stack for your role Practical tips, common mistakes, and a 7‑day starter plan K…  ( 10 min )

As artificial intelligence continues to evolve, mastering advanced prompt engineering techniques has become essential for getting the most out of large language models (LLMs). The effectiveness of an LLM's response depends heavily on how questions are structured and presented. Even minor adjustments in prompt wording can dramatically alter the output quality. This comprehensive guide explores sophisticated methods like self-ask decomposition, chain-of-thought reasoning, and step-back prompting - tools that enable LLMs to tackle complex problems through systematic analysis and step-by-step problem solving. By understanding these techniques, you'll learn to craft prompts that generate more precise, detailed, and contextually appropriate responses. Few-shot prompting represents a powerful met…  ( 9 min )

Game Theory: Which CANON Marvel Rivals Team Is The Strongest? MatPat’s latest sponsored deep dive asks which canonical Marvel Rivals squad holds the biggest edge in Season 4—and teases a surprise winner. Plus, you can join the action yourself by playing Marvel Rivals for free right now! Credits: Writers Tom Robinson & Mike Keenan; Editors AbsolutePixel, Axellent & Danial “BanditRants” Keristoufi; Sound Designer Yosi Berman. And if you need royalty-free tunes, don’t miss Epidemic Sound’s 30-day free trial. Watch on YouTube  ( 6 min )

Silent Hill F – TL;DR Silent Hill F marks the franchise’s comeback after more than a decade, crafted by a Japan-based studio of survival-horror veterans. It’s the first mainline entry to leave the misty streets of Maine behind and plunge you into a brand-new nightmare in rural Japan. Expect fresh scares, eerie folklore twists and classic Silent Hill dread—only with a uniquely Japanese twist on the series’ signature atmosphere. Watch on YouTube  ( 6 min )

Ratatan has just launched its cinematic early access trailer, and the rhythm-action roguelike is now live on Steam Early Access. Get ready to groove through procedurally generated levels, unleashing special moves in time with the beat as you battle your way to victory. Available on PC, Nintendo Switch, PlayStation 4 & 5, and Xbox Series X/S, Ratatan invites you to dive in, feel the rhythm, and see how far your combo can take you. Don’t miss the chance to play early and shape the game’s future! Watch on YouTube  ( 6 min )

J'ai toujours pensé que les théories les plus complexes pouvaient être comprises avec des analogies simples. Guidé par mon intuition et inspiré par des textes anciens, j'ai voulu créer une simulation qui donne vie à une idée fascinante : et si l'univers était un organisme vivant, un immense cerveau ? Voici le code complet. Les commentaires expliquent chaque étape. [4] - coding: utf-8 -- import numpy as np force_de_lumiere = 3 * 3 cosmic_void = np.full((grid_size, grid_size), valeur_energie_noire_de_base) print("Le cosmos est créé, avec un potentiel d'énergie noire élevé.") etoile_creee = False for p in particules: nouvelle_grille[p['pos'][0], p['pos'][1]] -= p['force'] for y in range(grid_size): for x in range(grid_size): if nouvelle_grille[y, x] <= (valeur_energie_noir…  ( 9 min )

Many IT organizations struggle with a fundamental disconnect in their ITSM service delivery: they achieve technical metrics while failing to meet actual user needs. While service desks often celebrate meeting resolution time targets, end users remain frustrated with the quality of support they receive. This misalignment typically occurs because organizations focus on easily measurable metrics rather than meaningful outcomes that drive business value. To bridge this gap, IT teams must shift their approach from rigid process compliance to creating genuine service experiences that address users' business challenges. This transformation requires rethinking how services are designed, delivered, and measured to ensure they truly serve the people who depend on them. Modern IT departments must fu…  ( 9 min )

What is the Google AP2 Protocol? The Agent Payments Protocol (AP2) is an open, non-proprietary protocol developed by Google in collaboration with several other organizations in financial services and tech industries. Its purpose is to establish a secure and auditable framework for payments initiated by AI agents. AP2 extends existing protocols like Agent2Agent (A2A) and Model Context Protocol (MCP) to specifically handle payment flows, ensuring transactions are authorized, authentic, and accountable The rise of AI agents capable of transacting on behalf of users creates new challenges for secure, authenticated, and accountable payments. Traditional payment systems assume a human is directly clicking “buy” on a trusted surface, but autonomous agents break this assumption. The Agentic Paym…  ( 9 min )

Why some locks are certified by master locksmiths, and others are bought at a hardware store. In a world where "military-grade encryption" is a common marketing term, how can you be truly sure that the technology protecting your most sensitive data is as secure as it claims to be? For governments, financial institutions, and healthcare organizations, this isn't a theoretical question—it's a regulatory requirement. The answer isn't found in a company's whitepaper, but in an independent, rigorous certification process. For cryptography in the U.S. and Canada, that answer is FIPS validation. It’s the difference between a product that claims it’s secure and one that has proven it under the scrutiny of a national laboratory. Let's demystify the acronym: Federal Information Processing Standard…  ( 9 min )

An ITSM ticketing system serves as the backbone of modern IT service management by providing a structured way to handle service requests, incidents, and changes. Much like tracking a package delivery, these systems enable organizations to monitor and manage IT-related tasks from start to finish. They ensure proper assignment of work, maintain accountability, and create a documented trail of all service activities. By implementing standardized workflows and communication channels, organizations can deliver more consistent IT services while maintaining control over their processes. The system acts as a central hub where both IT staff and end users can interact, track progress, and measure service quality against established standards. Modern ITSM platforms provide user-friendly portals wher…  ( 8 min )

GitHub - illegal-instruction-co/sugar-proto: A Protobuf wrapper with expressive, minimal, and strongly-typed C++ syntax A Protobuf wrapper with expressive, minimal, and strongly-typed C++ syntax - illegal-instruction-co/sugar-proto github.com  ( 6 min )

In-app chat is precisely one of those features that becomes essential the moment your users expect it. You've seen it everywhere: the little chat bubble in your banking app, the messaging thread in your marketplace, the team channel in your project management tool. It's how users talk to support without leaving your app, how buyers and sellers negotiate deals, and how communities form around your product. But here's what's interesting: while chat feels simple to users (just type and send, right?), the decision to add it touches nearly every part of your product. It affects your engagement metrics, your support costs, your technical architecture, and potentially your entire user retention strategy. Yet despite these clear benefits, many product teams still hesitate. They worry about the imp…  ( 20 min )

If there’s one thing everyone working in tech has noticed, it’s that learning never stops. There’s always a new framework, a trending language, or even a different approach to solving old problems. That’s great, but it can also be exhausting. And many people end up asking themselves: how do I keep growing without getting lost in this sea of information? One answer I’ve found — and that I see other devs discovering too — is simple: share knowledge. Writing articles and participating in developer communities not only helps others but also keeps you motivated and engaged in your own learning journey. Have you ever thought you understood a concept, but when you tried to explain it to someone, realized you didn’t fully master it? That’s where writing articles makes a difference. When you put wh…  ( 8 min )

When building modern UIs, developers often face a choice: write custom CSS or use a framework. Tailwind CSS takes a different approach — it’s a utility-first CSS framework that gives you small, reusable classes to style your components directly in your HTML/JSX. 🚀 🔹 What Does “Utility-First” Mean? In traditional CSS frameworks (like Bootstrap), you get pre-designed components. Tailwind instead provides low-level utility classes that you can combine to build custom designs. For example, instead of writing this: /* custom CSS */ And then using it like: Click Me With Tailwind, you can do it directly: Click Me No separate CSS file required ✅. 🔹 Benefits of the Utility-First Approach Speed ⏩ — You style as you go, no switching between HTML and CSS. Consistency 🎯 — Classes are standardized (e.g., px-4, text-lg). Customization 🎨 — You can extend colors, spacing, and themes easily. Responsive by Default 📱 — Mobile-first classes like md:, lg: make it simple. Example: Responsive Box This box changes padding and font size based on screen width. 🔹 A Real Example with React + Tailwind Tailwind Card This card is styled entirely with Tailwind’s utility classes. No custom 👉 Clean, reusable, and fully responsive. 🔹 Customizing Tailwind Tailwind is not just utilities — you can customize it in tailwind.config.js: export default { Then use it like: Brand Button 🎯 Final Thoughts Tailwind CSS shifts the way we think about styling: Instead of writing new CSS for each component, you compose with utilities. It’s faster, more consistent, and scalable for modern apps. If you haven’t tried it yet, spin up a project with Vite + Tailwind and see how quickly you can build beautiful UIs. ⚡ 👉 Do you prefer utility-first (Tailwind) or component-first (like Bootstrap/Material UI)? Drop your thoughts in the comments!  ( 6 min )

Saludos a todos!!! Construí una demo pública que automatiza todo un pipeline de entrega continua sobre AWS: 🌐 Infraestructuras como esta se usan en producción, y ahora cualquiera puede entenderlas, clonarlas y adaptarlas. 🛠️ Stack: Terraform (IaC) ECS Fargate + ECR CodeStar Connection CodePipeline, CodeBuild, CodeDeploy ALB + CloudWatch GitHub Actions Mermaid Diagrams 🔐 Infra privada, segura, sin claves expuestas. 🎥 El diagrama y cada paso están en el README, con instrucciones claras. 🧠 Ideal para usar como portfolio, práctica, o base para proyectos reales. 👉 github.com/cetinakarlos/demo-aws-cicd-ecs-codestar La mejor forma de aprender DevOps es construyendo, equivocándote y compartiendo.  ( 6 min )

You’re writing a simple Python function. It takes an item and adds it to a list, which defaults to an empty list if none is provided. It seems straightforward, but then this happens: def add_to_list(item, target=[]): # 🚨 This is the famous bug! target.append(item) return target list_1 = add_to_list('a') # Returns ['a'] list_2 = add_to_list('b') # Returns ['a', 'b']... wait, what? print(list_1 is list_2) # True - They're the same object! Why does list_2 remember the item from the first call? If you’ve encountered this, welcome to the club. This isn't a bug in your logic; it's a nuanced behavior in Python that has tripped up countless developers. Let's demystify it. The confusion stems from a critical point: Python evaluates default arguments only once—when the function is …  ( 8 min )

React is one of the most popular JavaScript libraries for building user interfaces. But when you combine it with TypeScript, you get type safety, better tooling, and fewer runtime errors. 🚀 If you’re just starting with React + TypeScript, this guide will help you set up your project and understand the basics. 🛠 1. Create a New React + TypeScript Project The easiest way is with Vite (fast and lightweight): npm create vite@latest my-app -- --template react-ts 👉 This sets up a React + TypeScript project instantly. 📦 2. Type Your Props In plain React, you might write: function Greeting(props) { Hello, {props.name}! ; } With TypeScript, we define the prop type: type GreetingProps = { function Greeting({ name, age }: GreetingProps) { (Age: ${age})} export default Greeting; ✅ Benefits: Autocomplete in your IDE Type checking at compile time No more “undefined” surprises 🔄 3. Using useState with Types Sometimes TypeScript can’t infer the state type. You can explicitly type it: import { useState } from "react"; function Counter() { return ( Count: {count} export default Counter; Here, useState(0) ensures count will always be a number. 🌍 4. Typing API Responses When fetching data, you can define an interface: type User = { async function fetchUsers(): Promise { https://jsonplaceholder.typicode.com/users"); Now whenever you use User, you’ll get intellisense + safety. 🎯 Final Thoughts React + TypeScript might feel like extra work at first, but the confidence and productivity you gain are worth it. Your IDE will catch bugs before they occur at runtime. Your codebase will be easier to maintain. Your teammates will thank you. 🙌 👉 Are you using TypeScript with React in your projects? Share your experience below!  ( 6 min )

Cuestionario de Repaso Instrucciones: Responda cada una de las siguientes preguntas en 2 o 3 oraciones, basándose únicamente en el contexto proporcionado. ¿Cuál es la diferencia fundamental entre la Inteligencia Artificial (IA), el Aprendizaje Automático (ML) y el Aprendizaje Profundo (Deep Learning)? ¿Qué es la Ingeniería de Prompts (Prompt Engineering) y cuál es su propósito en el contexto de la IA generativa? Describa el concepto de Generación Aumentada por Recuperación (RAG) y cómo mejora los modelos de lenguaje grandes (LLM). Explique el problema de las "alucinaciones" en los modelos de IA y por qué es una limitación importante de la IA generativa. ¿Qué es Amazon Bedrock y qué capacidades clave ofrece para el desarrollo de aplicaciones de IA generativa? ¿Cuál es el propósi…  ( 13 min )

1.0 Conceptos Fundamentales de IA y Aprendizaje Automático (ML) Los siguientes términos son los pilares conceptuales sobre los que se construye cualquier solución de IA y Aprendizaje Automático. Estos conceptos están relacionados jerárquicamente: el Aprendizaje Automático es un subconjunto de la Inteligencia Artificial, y el Aprendizaje Profundo es un subconjunto especializado del Aprendizaje Automático. Inteligencia Artificial (IA) Aprendizaje Automático (Machine Learning - ML) Aprendizaje Profundo (Deep Learning - DL) Red Neuronal (Neural Network) Sobreajuste y Subajuste (Overfitting and Underfitting) Sesgo y Varianza (Bias and Variance) Sesgo (Bias): La diferencia entre la predicción promedio de un modelo y el valor real que intenta predecir; un sesgo alto significa que el modelo hace…  ( 9 min )

Recent data shows AI job postings grew sharply. Lightcast found postings for generative AI skills jumped from 55 in January 2021 to nearly 10,000 by May 2025. Lightcast Autodesk tracked mentions of AI in job listings. These mentions rose by 56.1% in the US through early 2025. Autodesk News Recruiters see this growth and they adjust what they trust. Vendor-specific certs tie you to a single cloud or tool. Examples: AWS AI Practitioner, Microsoft Azure AI Engineer, Google ML Engineer. They test your skills on that vendor’s platform. Analysis of over 3,000 AI engineering job postings from April to June 2025 showed strong demand for engineers who can deploy real models. Flex.ai These postings often list specific tools and platforms. They mention AWS, Azure, GCP by name. Few mention generic AI …  ( 7 min )

Introduction In Python, the reduce function is a powerful tool for performing cumulative operations on iterable data, such as lists or tuples. Instead of writing a loop to repeatedly apply a function to elements, reduce lets you “reduce” the iterable into a single value by successively combining elements. This makes your code more concise and functional in style. The reduce function is available in the functools module, so you must import it first: from functools import reduce reduce(function, iterable[, initializer]) Parameters: function: A function that takes two arguments and returns a single value. iterable: The sequence (list, tuple, etc.) to process. initializer (optional): A starting value. If provided, the reduction starts with this value; otherwise, the first item of the iterab…  ( 7 min )

Recommended Prerequisites: Familiarity with key AWS services like Amazon EC2, Amazon S3, AWS Lambda, and Amazon SageMaker Understanding of the AWS shared responsibility model Familiarity with AWS Identity and Access Management (IAM) for security Knowledge of AWS global infrastructure (Regions, Availability Zones) Familiarity with AWS service pricing models Code: AIF-C01 Duration: 90 minutes Cost: $100 USD Number of Questions: 65 total questions (50 scored, 15 unscored for future evaluation) Scoring: Scale of 100-1000, minimum passing score: 700 Result: Pass/Fail Multiple choice: One correct answer and three incorrect distractors Multiple response: Two or more correct answers from five or more options Ordering: Place 3-5 answers in the correct order to complete a task Matching: Match answ…  ( 9 min )

Conocimientos Previos Recomendados: Familiaridad con servicios clave de AWS como Amazon EC2, Amazon S3, AWS Lambda y Amazon SageMaker Comprensión del modelo de responsabilidad compartida de AWS Familiaridad con AWS Identity and Access Management (IAM) para la seguridad Conocimiento de la infraestructura global de AWS (Regiones, Zonas de Disponibilidad) Familiaridad con los modelos de precios de los servicios de AWS Código: AIF-C01 Duración: 90 minutos Costo: 100 USD Número de Preguntas: 65 preguntas en total (50 afectan la puntuación, 15 son sin puntaje) Puntuación: Escala de 100 a 1000, puntuación mínima para aprobar: 700 Calificación: "Aprobado" o "Desaprobado" Opción múltiple: Una respuesta correcta y tres incorrectas Respuesta múltiple: Dos o más respuestas correctas de cinco o más o…  ( 10 min )

Conocimientos Previos Recomendados: Familiaridad con servicios clave de AWS como Amazon EC2, Amazon S3, AWS Lambda y Amazon SageMaker Comprensión del modelo de responsabilidad compartida de AWS Familiaridad con AWS Identity and Access Management (IAM) para la seguridad Conocimiento de la infraestructura global de AWS (Regiones, Zonas de Disponibilidad) Familiaridad con los modelos de precios de los servicios de AWS Código: AIF-C01 Duración: 90 minutos Costo: 100 USD Número de Preguntas: 65 preguntas en total (50 afectan la puntuación, 15 son sin puntaje) Puntuación: Escala de 100 a 1000, puntuación mínima para aprobar: 700 Calificación: "Aprobado" o "Desaprobado" Opción múltiple: Una respuesta correcta y tres incorrectas Respuesta múltiple: Dos o más respuestas correctas de cinco o más o…  ( 10 min )

PlugBrain: The open-source app helping you take back control of your screen time Mohammed Said Belaid ・ Sep 18 #opensource #androiddev #productivity #kotlin  ( 5 min )

Introduction Every developer has done it—hit Ctrl+C on a Stack Overflow snippet and dropped it into their project. It works instantly, deadlines are met, and life feels easier. But here’s the catch: those few saved minutes can plant the seeds of bugs, vulnerabilities, and technical debt that come back to haunt your future self (or your team). Let’s unpack why over-reliance on copy-paste coding isn’t as harmless as it looks. Speed over structure → deadlines push us toward shortcuts. Instant gratification → pasted code just works—until it doesn’t. Herd mentality → seeing snippets everywhere makes it feel acceptable. Copy-paste coding isn’t inherently bad, but the hidden cost usually shows up later. Each pasted snippet adds complexity you didn’t plan for. Maintaining multiple…  ( 7 min )

When your friend needs a solution, you don't just recommend tools - you build them. My friend's Canadian PR timeline was tight. Existing French learning platforms were either expensive or poorly architected. So I did what any dev would do: built a better one from scratch. Create a production-ready French learning platform optimized for Canadian immigration with modern web technologies. The Stack: Frontend: Next.js 15 + TypeScript + Tailwind CSS Backend: Firebase (Firestore + Auth) Deployment: Vercel Styling: shadcn/ui + Radix UI Performance: Server Components + Bundle Optimization Performance Optimization: Architecture Decisions: Developer Experience: Web Speech API Integration: const speakText = async () => { if ('speechSynthesis' in window) { const utterance = new SpeechSynthesisU…  ( 11 min )

ShatterRush mashes fluid parkour moves—grapples, slides and wall-runs—with towering battle mechs in fully destructible arenas, delivering the flow-state combat you’ve been waiting for. Join over 11 000 players in the open pre-alpha, dive into hectic 16-player online matches and deploy colossal mechs to literally level the playing field. Watch on YouTube  ( 5 min )

EA Sports FC 26 – “The Club is Yours” Trailer EA’s latest soccer sim shakes things up with an overhauled gameplay experience built on community feedback. Dive into Manager Live Challenges that drop fresh, season-by-season scenarios and pick from player Archetypes inspired by the biggest names in the game. Mark your calendars: Early Access kicks off September 19, and the full game launches September 26 on PS4, PS5, Xbox One, Xbox Series X|S, Nintendo Switch (and the upcoming Switch 2) and PC. Watch on YouTube  ( 6 min )

The Carpenter’s Son just unleashed its teaser trailer, promising a spine-tingling clash with Satan starring Nicolas Cage, FKA twigs, Noah Jupe, and Isla Johnston. Written and directed by Lotfy Nathan, this 2025 horror flick looks to deliver devilish thrills you won’t forget. Watch on YouTube  ( 6 min )

Muzan Kibutsuji Joins the Fight Muzan Kibutsuji, the progenitor of all demons, is now a playable character in Demon Slayer – Kimetsu no Yaiba – The Hinokami Chronicles 2. Check out his jaw-dropping new trailer to see him unleash havoc with his signature moves. The update is live across PS5, PS4, Nintendo Switch, Xbox, and Steam—so grab your copy and step into the fray! Watch on YouTube  ( 6 min )

Vampire: The Masquerade – Bloodlines 2 just dropped the Official Malkavian Fabien Gameplay Trailer, where you wake up as Fabien in 1920s Seattle to solve your own murder. Thanks to your Malkavian blood, reality warps around you, blending unsettling insights with bouts of delusion. Developed by The Chinese Room, this vampiric RPG stakes its claim on October 21 for PlayStation 5, Xbox Series X|S, and PC (Steam, GoG, Epic Games Store). Watch on YouTube  ( 6 min )

Absolum Gameplay Trailer Deep Dive Get ready to punch, slash, and Arcana-fy your way through the world of Absolum! The new trailer shows off brutal beat ’em up combat, upgrade paths, four unique playstyles, mounts to ride, and the mysterious Arcana powers. You’ll journey across diverse locales and decide whether to stand with or defy the Sun King’s rule. Absolum supports solo play or two-player local and online co-op for maximum chaos. Mark your calendars—this brawler hits PC, Nintendo Switch, PS5, and PS4 on October 9, 2025. Watch on YouTube  ( 6 min )

Little Choices That Shape User Experience Athreya aka Maneshwar ・ Sep 14 #webdev #programming #ui #ux  ( 5 min )

Have you ever introduced identical twins to your Python code, only to have it insist they're completely different people? Or worse, claimed two unrelated objects are the same just because they look alike? This common confusion stems from mixing up Python's is and == operators. Understanding the difference is a fundamental step toward writing correct and Pythonic code. At its core, the distinction is simple yet crucial: == (Equality): Checks if two objects have the same value. is (Identity): Checks if two variables point to the exact same object in memory. Think of it like this: == asks "Do you two look the same?" while is asks "Are you literally the same person?" Let's make this concrete with a custom class: class Car: def __init__(self, model, color): self.model = model …  ( 8 min )

Composable Software in 2025: Building Systems Like Lego Software in 2025 looks very different from what it did a decade ago. The shift from monolithic applications to modular, composable systems has become the new norm. Instead of giant, all-in-one apps, businesses are increasingly adopting the “Lego approach” — building digital products from smaller, independent pieces that can be assembled, swapped, or scaled as needed. Think of composable software as digital Lego bricks: Want a new payment system? Swap out a block. Need advanced AI analytics? Plug in a new piece. Looking for faster deployment cycles? Break things into smaller parts and iterate independently. This flexibility allows businesses to stay agile in fast-changing markets while developers escape the headaches of ma…  ( 7 min )

Congrats to the Midnight Network "Privacy First" Challenge Winners! Jess Lee for The DEV Team ・ Sep 18 #devchallenge #midnightchallenge #web3 #blockchain  ( 5 min )

We've all experienced it: you're in the process of working on a feature, and instead of writing a clean function or component, you simply round up something from one file and put it in another. It works... until it doesn't. Now you're debugging three different methods with almost identical logic. You start wondering, "Why didn't I make this reusable from the start?" Copy-pasting might save you a couple seconds today, but eventually, it's a snowball of technical debt. Writing reusable code is more than being "clean" or "fancy" — it's about making yourself (and your teammates) appreciate it in the future. In this article, I'll explain why reusability is important, how to actually do it, and show you examples you can take action on immediately. 🧩 Duplication of bugs – it takes you three tim…  ( 9 min )

Overview Today I had a simple idea: to recreate a CryEngine-era starter template island (it's strange that all those CryEngine goodies have vanished - otherwise I'd just link a YouTube video) in Godot, as a kind of inspirational playground. A modern equivalent would be something like this open-world landscape environment. The idea itself is straightforward: A 2 km x 2 km island Millions of trees (tall, short, and shrubs) An ocean A sky Creating the island itself was easy. The problem came when I tried instancing around 10,000 trees. Each tree mesh had about 240K faces, and even in Blender, instancing them with linked copies slowed the editor to a crawl (not surprising, though I had forgotten how slow Blender can get - that's why I once experimented with Clarisse). Importing that into Godot proved impossible: the .blend file was only 6 Mb, and the editor just hung. When comparing 5,000 MeshInstance3D objects with 5,000 instances in a MultiMeshInstance3D, the performance gain was minimal. This reminded me of a fundamental problem I'd almost forgotten: even if you reduce draw calls, fragment shading still happens, and rendering all those meshes at once causes severe overdraw. So, does this mean densely populated environments are not trivial in Godot? I do miss Unreal's shadow quality, but when it comes to large worlds, its automatic HLOD optimizations start to look tempting again. Then I remembered all the headaches with Nanite, Lumen, and other Unreal frustrations. Am I doomed? As it turns out, Godot does support HLOD, along with plenty of optimization options. Ultimately, everything depends on the purpose and final effect. There's no free lunch. This also highlights how little raw GPU processing power has advanced for single workloads - despite the massive petaflops of modern DGX systems, most of that is geared toward distributed or server-scale computing. If the goal is a stylized, large-scale world with detailed models but limited materials, Godot can probably handle it just fine.  ( 6 min )

You’ve embraced the cloud-native paradigm. Your microservices are elegantly containerized, your deployments are orchestrated by Kubernetes, and your infrastructure is defined as code. You’re doing everything right. But there’s a hydra in your cluster. For every secret you manage to secure—a database password, an API key—two more seem to take its place. You’ve encrypted them with SOPS, hidden them in Helm values, and tried to manage them with sealed secrets. Yet, you lie awake at night wondering: are our secrets truly secure? Are we compliant? How do we even rotate these things without causing an outage? If this sounds familiar, you’re not alone. The truth is, most native Kubernetes secret management strategies are fundamentally flawed for production environments. They solve the problem of …  ( 9 min )

The Problem: Icon Chaos in a Growing SaaS Platform Picture this: You're working on a fast-growing SaaS platform with over 400+ React components. Your design system has evolved organically over 5+ years, and suddenly you realize you have 600+ icon files scattered across your codebase like digital confetti. Sound familiar? Here's what our icon structure looked like: src/common/icons/ ├── IconAdd.tsx ├── IconAddCircle.tsx ├── IconAddNoOutline.tsx ├── IconPlus.tsx # Wait, isn't this the same as IconAdd? ├── IconPlusCircle.tsx # And this too? ├── QuickAction/ │ ├── IconEmail.tsx # Different from main IconMail.tsx │ └── IconLinkedIn.tsx # Different from IconLinkedin.tsx ├── NewIcons/ │ ├── IconCall.tsx # Yet another call icon variant │ └── IconEmail.tsx # Another email i…  ( 10 min )

Be a Rebel: Reflections on 5 Killer Habits by Sree Krishna Seelam Books often have the power to shift our thinking, and some stand out because they combine simplicity with depth. Recently, I read 5 Killer Habits: Be a Rebel by Sree Krishna Seelam, and it turned out to be one of those books that doesn’t just give advice but encourages you to live with energy, curiosity, and courage. The book is based on the author’s learning from reading over a thousand books and interviewing more than a thousand senior citizens in India. That alone sets it apart—these habits are not abstract theories but insights drawn from experience, reflection, and wisdom passed down across generations. Seelam frames the habits as “killer” not because they are destructive, but because they are powerful enough to kill la…  ( 7 min )

Legacy applications have long powered the core operations of enterprises in industries such as banking, healthcare, and government. These systems often carry decades of business logic and process knowledge, but they also come with major limitations. High maintenance costs, outdated programming languages, security risks, and difficulty integrating with modern platforms make them a bottleneck for digital transformation. Modernization is no longer optional. However, traditional approaches to updating or replacing legacy applications are often time-consuming, expensive, and resource-intensive. This is where Generative AI enters the picture. By leveraging advanced language models and automation capabilities, organizations can accelerate modernization while minimizing risks. This article explore…  ( 9 min )

Change directory dot command If you are in a sqlite shell and forgot to change directory or want to navigate to a separate directory, you can do that with the .cd dot command. .cd /path/to/directory This is better than doing .shell cd /path/to/directory because it doesn't open a separate terminal process. So, the .cd is persistant throughout the session, whereas the .shell cd will only within that command (subprocess). The .cd command changes the working directory of the SQLite shell itself, so the change persists for the rest of the session. This means commands like .import, .read, or .output will automatically look for files in the new directory. However, .shell cd spawns a separate subprocess, and the directory change is discarded as soon as that command finishes. It does not affect SQLite’s own state of the current directory. So if you plan to read or write multiple files from a different location during your SQLite session, prefer the built-in .cd command. Read the entire blog post here with interactive SQL codeblocks and playground like environment SQLite dot commands: change directory command | Meet Gor meetgor.com  ( 7 min )

This article was originally published on Rails Designer I have written a fair amount on the basics of Stimulus, but I never wrote about the absolute basics: what actually is a "Stimulus controller"? That is why I want to cover some basics. This article was taken from various parts of the book JavaScript for Rails Developers The foundation of Stimulus is the “controller”, which serves as the primary building block for organizing your interactive features. Stimulus encourages you to write small, reusable controllers. Opposed to component-specific controllers (though those have their place too!). A Stimulus controller is essentially a regular JavaScript class. So, what does that look like? class Editor { constructor(content) { this.content = content } save() { console.log(this.…  ( 8 min )

Two Lanes just dropped a live version of Signs of Change, premiered at Cercle Odyssey in Paris as Cercle Records’ 100th release. The track kicks off with warm piano chords before unfolding into lush synth layers and textured sound design, taking you on an introspective, electronic journey. Hailing from Germany, brothers Leo (a Juilliard-trained pianist) and Rafa (an electronic production whiz) fuse classical chops with minimal beats. Fresh off their No Feeling Is Final EP, these cinematic vibes are heading out on an immersive North American and European tour in fall 2025. Watch on YouTube  ( 6 min )

The creator economy is built on speed, quality, and the ability to share compelling stories across multiple platforms. But the best tools for the job are often locked behind expensive subscriptions, complicated cloud workflows, and restrictive watermarks. We believe there’s a better way. Today, we’re incredibly excited to introduce Clips, an open-source AI clipping tool built by creators, for creators. We decided to build a free, powerful alternative that runs right on your machine, giving you complete control over your content and your creativity checkout demo here:Youtube Why We Built Clips As a small but mighty team, we saw a clear need within the creator community. Too many essential tools are locked behind expensive recurring subscriptions and watermarks, limiting creative potential…  ( 7 min )

The Ultimate Golf Pilgrimage: 3 Legendary English Courses in A Day Fancy ticking off three of England’s finest links in a single, heart-pounding day? Enter the Hagen 54, a public spin on Walter Hagen’s daring 1920s routing. Starting at Royal St. George’s, then Prince’s Golf Club, and wrapping up at Royal Cinque Ports, 8AM Travel’s Simon Holt and Angus Rintoul guide American golf fans Alex Holderness and John Bourne through all 54 holes on Kent’s stunning coastline. Whether you’re chasing history, jaw-dropping views or just a killer golf story, this one-day epic delivers. Can’t make the pilgrimage? GOLF.com has you covered with Top 100 course lists, pro interviews, gear reviews and more—just hit subscribe! Watch on YouTube  ( 6 min )

Dying Light: The Beast – TL;DR Techland’s new standalone expansion flips the script by leaning harder into horror and survival than any previous Dying Light game. Sure, you still get to transform into a Wolverine-style monster and rip zombies apart with an almost instant-win power move, but everything else feels tighter, darker, and way more suspenseful. By dialing back the usual over-the-top hero fantasy (aside from your beast form), The Beast delivers the most thrilling, skin-crawling Dying Light experience yet. Watch on YouTube  ( 6 min )

Ghost of Yotei just dropped its cinematic trailer, “The Hunt Begins,” teasing Atsu’s revenge-fueled journey across feudal Japan. Sucker Punch Productions amps up the action with stunning landscapes, fresh weapons, and that signature Ghost stealth. Mark your calendars for October 2 on PS5—time to become a Ghost! Watch on YouTube  ( 5 min )

Jump Space’s Early Access chapter is a chill-yet-chaotic co-op space romp that’s already a blast despite still being a rough-and-tumble prototype. After around 15 hours across two ships, it nails the vibe of laid-back cosmic hangouts interspersed with “oh no everything’s on fire” moments that only teamwork (and a sprinkle of luck) can fix. There’s room for more mission variety and polish, but the core concept is solid. If you’re after a social hub in the stars that can flip into seat-of-your-pants mayhem in a heartbeat, Jump Space’s unfinished but fun foundation is already worth boarding. Watch on YouTube  ( 6 min )

📰 Major Tech News: September 18, 2025 Om Shree ・ Sep 18 #news #ai #beginners #discuss  ( 5 min )

Super Mario Galaxy + Super Mario Galaxy 2 blast off on Nintendo Switch October 2, 2025, delivering the classic platforming you love with a fresh remaster. The overview trailer teases all the cosmic fun—dozens of planets to explore, gravity-defying jumps, cool new power-ups, plus Mario’s and Yoshi’s signature moves in HD glory. On top of the nostalgia trip, Nintendo’s tossing in helpful extras like Assist Mode, custom Soundtrack Modes, new Storybook chapters in both games, and even fresh amiibo figures to jazz up your collection. It’s everything you adored the first time, but juicier than ever! Watch on YouTube  ( 6 min )

The Top 15 Best Video Game Remakes Ever wondered what makes a great video game remake? It’s more than just a shiny graphics overhaul or loading screens that don’t crash. The very best remakes find that sweet spot between nostalgia and innovation—honoring the original while sneaking in fresh gameplay tricks, updated systems and even whole new story beats to surprise veterans and hook newcomers. This list dives into the 15 standout examples, from the terrifying corridors of Resident Evil 2 to the epic reimagining of Final Fantasy VII. Each pick isn’t rated by overall “goodness,” but by how boldly it reinterprets and expands on a classic, proving that revisiting old favorites can feel brand new. Watch on YouTube  ( 6 min )

Skate 4K Ultra Gameplay Overview Buckle up for a 13-minute thrill ride through Skate’s open-world on PC at maxed-out settings. You’ll hit everything from trick-heavy “Bougie Line” sessions and strange grind spots to mega-ramp madness with random skaters—plus a few hilarious wipeouts along the way. The video’s neatly chopped into themed runs (like “Be Like Water,” “Street Meat,” and “A Challenge Machine”), so you can skip straight to your favorite stunt or drop-in point and watch the mayhem unfold. Watch on YouTube  ( 6 min )

Get a behind-the-scenes featurette for The Running Man, Edgar Wright’s adrenaline-fueled near-future thriller starring Glen Powell alongside William H. Macy, Lee Pace, Michael Cera, Emilia Jones, Daniel Ezra, Jayme Lawson, Sean Hayes, Katy O’Brian, Colman Domingo and Josh Brolin. Produced by Simon Kinberg, Nira Park and Edgar Wright, it adapts Stephen King’s novel with a screenplay by Michael Bacall & Edgar Wright. In this dystopian TV show, contestants must survive 30 days while being hunted by professional assassins for a cash prize, and desperate dad Ben Richards enters to save his sick daughter. He quickly becomes the audience’s favorite—and their biggest threat. The Running Man races into theaters on November 14, 2025. Watch on YouTube  ( 6 min )

The Four Horsemen are back, joined by a new generation of illusionists serving up mind-bending twists, jaw-dropping surprises, and magic you’ve never seen on screen. The trailer teases a star-studded lineup—Jesse Eisenberg, Woody Harrelson, Dave Franco, Isla Fisher, Justice Smith, Dominic Sessa, Ariana Greenblatt—with Rosamund Pike and Morgan Freeman rounding out the cast. Behind the scenes, Alex Kurtzman, Roberto Orci, and Bobby Cohen produce, while a writing team led by Seth Grahame-Smith, Michael Lesslie, Paul Wernick & Rhett Reese brings Eric Warren Singer’s story to life (based on Boaz Yakin & Edward Ricourt’s characters). Directed by Ruben Fleischer (Venom, Uncharted), Now You See Me: Now You Don’t hits theaters on November 14, 2025. Watch on YouTube  ( 6 min )

Git is...complicated. This series focuses on breaking git down into commit-sized pieces. Git is a distributed version control system. Most of the time this isn't very relevant, because we usually work with a single, central repository, but we don't have to. Because we clone the whole repo to our computers, each copy contains everything. Unlike centralized version control, you don't have to stop collaborating when the server goes down. You can still sync and share and merge work directly with other developers, whether there's an outage or you are working in an environment without Internet access. This disconnect from "traditional" centralized version control systems dating back to the 1960s can be hard to grasp, as git isn't like most of our models of servers we connect to. We download and…  ( 7 min )

AI coding assistants like ChatGPT are everywhere now. They can scaffold components, generate test cases, and even debug code. But here’s the catch: they’re not senior engineers. They don’t have context of your project history, and they don’t automatically spot when the tests themselves are wrong. In other words: treat ChatGPT like a junior dev on your team — helpful, but always needing review. I was recently working on a legacy React form validation feature. The requirements were simple: Validate name, email, employee ID, and joining date. Show error messages until inputs are valid. Enable submit only when everything passes. The tricky part? I didn’t just have to implement the form — I had to make it pass an existing test suite that had been written years ago. I turned to ChatGPT …  ( 8 min )

Step by Step Workflow of Traffic from NAT Gateway to Internet Note: This post was originally published on my main blog site. If you’ve ever launched an EC2 instance in a private subnet, you’ll notice it can’t reach the internet. But what if your instance needs to connect to external services while still staying private and hidden from the public internet? That’s where a NAT Gateway comes in. A NAT Gateway allows private resources to securely access the internet without being exposed to it. It’s simple to set up, but many AWS engineers get confused about how the traffic actually flows. From an EC2 instance, through the NAT Gateway, and out to the internet. In this blog, we’ll walk through the step-by-step workflow of how an EC2 instance in a private subnet reaches the internet. If you prefe…  ( 8 min )

Use-Cases Genomics: Visualize gene sequences and mutational patterns over sliding windows to identify significant genetic variations. Weather Analysis: Monitor climate trends across time intervals to understand seasonal changes and extreme weather events. Air Quality Monitoring: Track categorical pollutant levels and environmental events to assess air quality trends and inform policy decisions. GitHub: https://github.com/BodduSriPavan-111/kitikiplot python #opensource #data #ai #datavisualization #matplotlib  ( 6 min )

Bu dökümanda, kendi ortamınızda şifreli (HTTPS) ve kimlik doğrulamalı (Basic Auth) bir Docker Registry kurmayı, ardından Rancher/RKE2 kümenize entegre etmeyi adım adım anlatacağım. Registry’nin HTTPS üzerinden güvenli çalışabilmesi için self-signed bir TLS sertifikası gerekiyor. /etc/ssl/openssl.cnf dosyasının sonuna SAN (Subject Alternative Name) ekleyin: [ mydocker ] subjectAltName = DNS:mydocker.me Birden fazla domain kullanılacaksa virgül ile ayırabilirsiniz: subjectAltName = DNS:mydocker.me, DNS:registry.local cd /etc/ssl/private openssl ecparam -name prime256v1 -genkey -out server.key openssl req -new -key server.key -out server.csr Burada Common Name (CN) alanına registry domain adınızı (mydocker.me) yazmalısınız. openssl x509 -in server.csr -out server.crt \ -req -signkey ser…  ( 7 min )

We built Pocket Portfolio (OSS) to track positions, P/L, and news without linking a broker. Try: https://pocketportfolio.app/app/?utm_source=hn&utm_campaign=beta1 https://github.com/PocketPortfolio/Financialprofilenetwork/discussions/xx Repo: https://github.com/PocketPortfolio/Financialprofilenetwork What’s missing? What feels slow/confusing? 🙏  ( 6 min )

The Challenge: Moving Beyond Cloud Dependencies (And My Hatred of Making Slides) Let me be honest - this project started because I absolutely despise creating PowerPoint presentations. The tedious process of outlining content, formatting slides, finding relevant images, and making everything look professional drives me crazy. I'd rather spend hours coding than 30 minutes making slides. So naturally, I thought: "What if I could just talk to a device and have it generate the entire presentation for me?" But here's where it gets interesting. Most AI applications today rely on cloud inference - sending data to remote servers, waiting for responses, and dealing with latency, costs, and privacy concerns. I wanted to explore whether modern edge hardware could handle something more ambitious: a …  ( 11 min )

before running the game please do install dependencies in requirements.txt file import os try: DB_PARAMS = { def connect(): def init_game(rows=10, cols=20): def get_board(gid): def step(gid, direction): KEY_TO_DIR = { def read_key(): def main(): current_dir = 'R' while True: os.system('clear') print(get_board(gid)) print("Use WASD keys to move, q to quit.") ch = read_key() if ch == 'q': print("Quitting.") break if ch in KEY_TO_DIR: current_dir = KEY_TO_DIR[ch] status = step(gid, current_dir) if 'dead' in status: os.system('clear') print(get_board(gid)) print("Game over! Final status:", status) break if name == "main": main()  ( 6 min )

Hey everyone, I’m Amir from Norway. Over the past years working in energy tech, I’ve noticed something frustrating: every digital energy project reinvents the same building blocks. Whether it’s solar, EV charging, or smart buildings, people keep writing the same connectors, data pipelines, and forecasting models — but in silos. We don’t have to keep doing this... That’s why I and my co-founders started Qubit Foundation; an open-source project where developers, researchers, and companies etc, can collaborate on the shared foundation for the future of energy. Here’s the vision we want to achieve: Modular, interoperable services → like LEGO blocks (data schemas, connectors, forecasting, optimization, APIs). Universal standards → so energy systems can actually talk to each other. Community-driven → open collaboration, not closed silos. Why join? Be among the first contributors — basically the “founding members” of this project. Help shape how we build out repos, services, and architecture. Work on tech that actually matters for the climate and energy transition. We aim to grow into something global: with sponsors, hackathons, and even gatherings. We’re just kicking off, if this resonates with you, check out our repos and additional links below https://github.com/qubit-foundation https://docs.qubit.energy/introduction) https://foundation.qubit.energy Let’s help humanity achieve sustainability, starting by accelerating the movement towards clean energy. Cheers, Amir & Qubit Team  ( 6 min )

I built an AI resume tool and it has taught me lessons on how to overcome 5 biggest changes with "Wrapper" AI app. The AI resume tool "papercut.cv" can analyze GitHub repositories and creates tailored resumes based on job descriptions. This project combines multiple cutting-edge technologies including Go backend services, Next.js frontend. At first, I thought it was just an easy wrapper AI app—one that would work simply by integrating a few APIs. But as I delved deeper into development, I realized there are significant challenges to making the app run sustainably and keep costs in check. This blog post explores the key technical challenges I encountered and the innovative solutions I implemented to create a robust, scalable, and user-friendly AI resume generation platform. Large repositori…  ( 8 min )

Okay Linkediners, let’s be real. Every time we talk about Azure Databricks Structured Streaming, it feels like that old reliable friend — the one who shows up at the party, eats all your snacks, and then says: “bro, I’ll leave when you stop streaming events.” But then came Auto Loader. And suddenly Structured Streaming feels like Internet Explorer in 2025. So why should you switch? Let’s break it down in the only way developers actually learn these days: funny memes + real talk. 1. 🧹 Auto Loader Cleans Up the Mess (Schema Evolution FTW!) Structured Streaming: “Wait… your schema changed? Nope. I quit. Fix it and call me again.” Auto Loader: “Oh, new column? No problem, I’ll just evolve gracefully like Pokémon.” 👉 Schema drift is real. Business folks add columns randomly like “Discoun…  ( 7 min )

A post by Dibyendu Karak  ( 5 min )

Big news dropped last week that nobody's really talking about: Anthropic launched the Model Context Protocol (MCP) Registry—an open catalog and API for publicly available MCP servers. Finally, right? Or... is it? The MCP Registry is now available at https://registry.modelcontextprotocol.io as the official MCP Registry. Think of it as npm for MCP servers - a centralized place to discover, publish, and manage MCP servers. The tech is solid: Open source with OpenAPI spec Namespace system (io.github.yourname/* or com.yourcompany/*) Integration with existing package managers (npm, PyPI, Docker Hub) Sub-registry support for companies building their own marketplaces 1. The Timing Problem In February 2025, it began as a grassroots project - that's 3+ months after MCP launched. In that time: 100+ u…  ( 7 min )

We've probably all had this dream of waking up in the morning and finding ourselves with 10,000 new users on our platform. (At least as a Co-Founder & CTO, that's the dream) 😁 So we asked ourselves: can we run a dedicated environment of our platform entirely on nanos? Spoiler: it worked, and it taught us a lot about where our real inefficiencies were hiding. Here are some of these learnings: The Reality of Scaling: When your startup does grow and you start scaling your infrastructure, what really happens? Often it turns out that: Important indexes are missing, leading to CPU spikes. Query results are loaded into memory without paging, causing out-of-memory errors. Other inefficiencies appear that raw cloud scaling alone cannot solve. The result is often not a sleek, hyper-scalable system …  ( 7 min )

A post by Ben Halpern  ( 5 min )

For production grade applications SOLID are a must principles, but when adding a new feature open for extension close for modification principle could be easily violated. Let's take an example of an image processing application where we need an image filter plugin system. The core interface is simple, it must be implemented by classes as a best practice. Name represents the filter that we will apply to a given image. The common way is to manually register every known filter public class FilterManager { public IFilter GetFilter(string filterName) { switch (filterName.ToLower()) { case "grayscale": return new GrayscaleFilter(); case "sepia": return new SepiaFilter(); // PROBLEM: To add a new f…  ( 7 min )

Introduction to Amazon S3 – The Backbone of Cloud Storage Every day, organizations generate massive amounts of data — from user activity logs, application files, and backups to videos and images. Managing this data securely and cost-effectively is a big challenge. This is where Amazon Simple Storage Service (Amazon S3) comes in. It’s one of the most popular cloud storage services in the world and a core building block for anyone preparing for AWS Data Engineering certifications. In this blog, we’ll break down what S3 is, why it’s important, and how it works with simple examples. Before cloud storage, companies stored data on local hard drives or on-premise servers. Limited capacity (1TB–2TB hard disks at most for personal PCs). High costs for scaling. Hard to share or access remotely. Data…  ( 7 min )

September 17, 2025, was a dynamic day in the technology sector, with significant developments spanning startup funding, artificial intelligence (AI), pharmaceutical setbacks, legal tech advancements, and consumer technology trends. Below is a detailed roundup of the major tech news that shaped the day, offering insights into the innovations, investments, and challenges driving the global tech landscape. Blacksmith, a San Francisco-based startup, announced a $10 million Series A funding round led by Google Ventures, just four months after securing a $3.5 million seed round from the same investor. The company’s next-generation continuous integration/continuous delivery (CI/CD) platform is designed to streamline software development processes, enabling faster and more efficient deployment for…  ( 10 min )

Implementing Google reCAPTCHA v3 in Flutter (Mobile) I spent hours debugging and researching, only to find the solution was much simpler than I thought. To save you the headache, here’s a step-by-step guide on how to integrate Google reCAPTCHA v3 into a Flutter mobile application. A site key from your backend (ask your backend dev or generate one yourself in the reCAPTCHA admin console). Clarify with your backend whether you’re using Enterprise or Standard (v2/v3) reCAPTCHA. Enterprise reCAPTCHA → use recaptcha_enterprise_flutter. Standard v2/v3 reCAPTCHA → use flutter_gcaptcha_v3. This tutorial focuses on Standard v3. Unlike browsers, Flutter apps don’t have a domain. If you try to run reCAPTCHA directly inside a WebView, the domain becomes about:blank, which Google doesn’t accept. The …  ( 7 min )

“Our education system teaches us how to solve 200-year-old math problems but forgets to tell us how live apps like actually work.” OLAP vs OLTP. OLTP (Online Transaction Processing): “Order Now”, payment happens, your order is saved, and the momo guy gets the notification. That small, fast transaction? That’s OLTP in action. OLAP (Online Analytical Processing): “Which city eats the most momos at midnight?”. They don’t look at your single order. Instead, they analyze millions of orders to find patterns. That big, analytical brain? That’s OLAP. Side-by-Side Breakdown Feature OLTP (Transactional) OLAP (Analytical) Purpose Running day-to-day apps (like payments, bookings, logins) Analyzing data for decision-making Data Size Small transactions Huge datasets Speed Fast reads/writes (milliseconds) Complex queries (seconds/minutes) Users Frontline users (customers, employees) Data analysts, managers Example Booking a cab on Ola Ola analyzing busiest routes in Kolkata Because everything around you runs on these systems. Your college’s “Online Result Portal” → OLTP The report your principal sees about “pass % of students over 5 years” → OLAP Instagram likes → OLTP Instagram showing which reels are trending in your city → OLAP In short, OLTP = do things fast. OLAP = think about things later.  ( 6 min )

🔥 The Hidden Superpowers of TinyGo: How to Run Go Code on Microcontrollers and Beyond! When most developers hear “Go”, they think high-performance backend services. When they hear “embedded programming”, they think C/C++. But what if I told you that you could write embedded firmware using Go? Welcome to the brave new world of TinyGo — the Go that fits into the tiniest chips and also works on the bleeding edge of WebAssembly! 🧠 TL;DR: TinyGo lets you write Go code that compiles down to run on ARM Cortex-M microcontrollers and in the browser using WebAssembly. It’s faster than MicroPython, easier than C, and it’s real, idiomatic Go. In this post, we're diving deep into TinyGo, uncovering its incredible potential for IoT, edge computing, and WASM. Not only are we going to explore working …  ( 8 min )

🧾 Dev Log: Inventory Highlight & GearSlot Overhaul Location: Liverpool 📅 September 16, 2025 — Inventory Highlight & Selection System ⚔️ What We Tried and Failed Detached items from grid layout during drag Used CanvasGroup.blocksRaycasts = false on drag start ❌ Failed silently—no logs, no movement AI Conversation ; Me: “I feel like I’ve done as much debugging as a dev whose full-time job is just debugging.” Me: “If this doesn’t work, I’m doing it my own way.” 🧠 Root Cause Tooltip clicks worked because they fired before reparenting Drag failed because OnBeginDrag never triggered 🛠️ What We Built and Succeeded InventoryItemInteraction now handles: Tooltip via ItemTooltipManager Highlight via highlightBox.SetActive(true) Singleton tracking of selected item All logs tagged with [Anteater…  ( 9 min )

If you’re just starting to learn coding, two things you’ll always hear about are variables and data types. Don’t worry, they sound more complicated than they really are! Let’s break them down in a way that makes sense. A variable is like a name tag on a storage box where you can keep data. You can store a number, a word, or even a list of items. And the cool part? You can change what’s inside whenever you want. For example, let’s say you want to keep track of your age and name. You could write (in Python): age = 26 Now, age and name are variables holding values. You can change them: age = 23 Now, let’s talk about data types. Think of data types as categories or labels for the different kinds of data you can store. Not everything can go into every variable. Some data is numbers, some is tex…  ( 7 min )

The Model Context Protocol (MCP) is emerging as a foundational interface for new types of AI-driven interactions, where intelligent agents act as a new kind of user, or persona. Just as businesses meticulously design web UIs and REST APIs for human users and third-party integrations, they now have the opportunity to design the perfect "agentic experience" for these autonomous entities. The primary objective is to maximize the task completion rate, which is the ability for an MCP client with its underlying model to successfully complete a user-given task. This article explores the challenges and best practices for achieving this efficiency, with a focus on measurement, design patterns, and operational pitfalls. Measuring an MCP server's efficiency is a complex undertaking. The ideal metric,…  ( 11 min )

A post by Andre Loureiro Montini Ferreira  ( 5 min )

If you're an Android developer, you might still be using SharedPreferences for storing small data. But Google now recommends Jetpack DataStore as the modern replacement! 🚀 I wrote a full guide on Medium with examples and best practices: Read it here → 💡 Follow me for more Android tips and tutorials!  ( 6 min )

Hi! My name is Augusta👋 I’m new here on dev.to. I’m a student of Electronics and Computer Engineering. Right now, I’m learning web development — the usual HTML, CSS, and JavaScript. I’ve taken some courses, but I noticed that after each tutorial I would just move on to the next one. So I’ve decided to switch things up and focus on building projects. After all, what better way to learn than by actually creating something? I’ve realized that I understand concepts more deeply when I have a reason to use them in a real project. That’s why I started a Udemy course: 50 Projects in 50 Days. I’ll be posting about some of these projects here: what I practiced what I learned and the mistakes I made along the way I may not write about all 50 projects, but I plan to share at least one project a week until I finish the challenge. You can follow along as I share my journey. I’d love to connect with others who are also learning or doing similar challenges!  ( 6 min )

Starting with a 3-day workshop running from September 19–21, designed to prepare participants before the main hackathon begins. Full details will be shared via email and on Discord with all registered participants. If you haven’t registered yet, do so now through Luma: https://luma.com/koen723f and be part of the experience from day one.  ( 6 min )

We talk a lot about AI agents in crypto, but most projects so far feel like hype with limited real deployment. Recently, I read about Talos, a protocol experimenting with an AI-governed treasury system that runs on Ethereum, now integrated with Oasis’ Runtime Off-chain Logic (ROFL). Thought I’d break it down from a builder’s perspective. What is Talos? Talos is essentially an AI-powered asset manager on-chain. It rebalances a treasury of yield-bearing assets (think lending, liquidity pools, derivatives) based on signals it pulls from markets, social data, and on-chain activity. Underneath, it uses ERC-4626 vaults with ETH as the base unit for conversions. The interesting part: Talos isn’t fully autonomous. It’s paired with a governance model where humans (via the Talos Council) oversee strategic decisions. Think of it like an AI portfolio manager with a human “board of directors.” Key Components Governance Hybrid:AI executes day-to-day, but council votes are needed for critical strategy changes. This balances automation with accountability. Risks & Open Questions Model risk: AI strategies can still be gamed or misled by bad data. Why Developers Should Care Shows a real use case for combining AI agents with confidential compute + on-chain proofs. Final Thoughts Talos feels less like vaporware and more like a sandbox for exploring AI-on-chain governance. If it holds up under market stress, it could pave the way for agents that handle execution while humans steer strategy. For devs interested in AI + DeFi, I think this is one to keep an eye on. 👉 Full blog here: Talos: On-Chain Intelligence with ROFL  ( 7 min )

Last week, a significant supply chain attack hit the JavaScript/TypeScript ecosystem through the npm registry. Multiple widely used packages, collectively downloaded more than 2 billion times per week, were compromised via a single maintainer’s npm account. Malicious versions of debug, chalk, ansi-styles, and 15 other packages were published. The payload focused on stealing cryptocurrency wallets, but the incident underscored a broader, ongoing risk: the open source supply chain is a high-value target. And it didn’t stop there. This week, another campaign dubbed "Shai-Hulud" targeted additional npm packages, this time exfiltrating sensitive data and attempting self-propagation across the ecosystem. Plenty has already been written about these attacks. Here, I’ll focus on the impact on the M…  ( 8 min )

When you write a simple for x in something: in Python, there’s a lot happening behind the scenes. That “something” could be a list, a string, a dictionary, or even a file stream. But what exactly makes an object loop-able? The answer: iterables. In this article (Part 1 of a 3-part series), we’ll explore iterables with an easy-to-grasp metaphor the buffet table. We’ll peel back the layers of Python’s iteration protocol, look at memory details, pitfalls, and real-life use cases. By the end, you’ll never look at for item in data: the same way again. Imagine walking into a buffet restaurant. The setup looks like this: Buffet table = Iterable (the container of food items exist here) Plate = Iterator (your personal helper that keeps track of what you’ve taken) Key idea: The buffet table itself n…  ( 13 min )

In the fast-paced world of artificial intelligence, Google is about to make another major leap forward with its upcoming Gemini 3.0 model. As competitors like OpenAI’s GPT-5 and xAI’s Grok 4 continue to push boundaries, rumors about the Gemini 3.0 have been circulating in tech forums, social media, and industry news.Now let’s identify these messages and look forward to its functionality together. Over the past few days social posts and community threads reported two related items: Independently, a contributor’s test data in the public google-gemini/gemini-cli repo included the string gemini-3.0-ultra in a test file. That snippet was discovered by community members and reposted across social platforms; many interpreted it as a leak or early proof that “Gemini 3.0 Ultra” exists. Users browsi…  ( 11 min )

Dive into the fundamentals of arrays and discover how they form the backbone of Android development. Learn about: Array indexing & memory layout Traversal, insertion, and deletion How arrays power data structures like ArrayList, Stack, Queue, HashMap, and Heap 🔗 Read the full article here: Why Every Android Dev Should Master Arrays Before Anything Else 💬 Share your thoughts and experiences with arrays in Android development! Let's learn and grow together. 👩‍💻  ( 6 min )

Written by Muhammad Badawy. Read this article on Signadot. This comprehensive guide demonstrates how to use Signadot Sandboxes to preview and test backend changes through a mobile frontend without affecting other developers using shared environments. You'll learn to set up isolated testing environments that allow your mobile app to interact with experimental backend features while maintaining complete separation from the baseline system. By the end of this tutorial, you'll have: A fully functional HotROD microservices backend running in Kubernetes. Signadot sandboxes for isolated feature testing. A modern iOS app that can switch between baseline and sandbox environments. The ability to test backend changes safely without impacting other team members. MacOS. Up and Running Kubernetes cluste…  ( 12 min )

If you're writing tests for frontend applications and still not using jest.spyOn, you're missing out on one of the most powerful tools Jest offers. Let me show you why, when, and how to use it — with real examples that will level up your testing game. jest.spyOn? jest.spyOn lets you monitor and control how a function behaves during a test — without changing the original implementation. You can: Check if a function was called Control its return value Track how many times it was triggered Restore it after the test // utils/date.js export function formatDate(date) { return new Intl.DateTimeFormat('en-US').format(date); } // components/Greeting.js import { formatDate } from '../utils/date'; export function Greeting({ date }) { return Hello! Today is {formatDate(date)} ; } impor…  ( 7 min )

Prompt engineering is becoming a must-have skill for developers working with AI models like ChatGPT, Claude, Gemini, and others. But writing good prompts isn’t just about asking questions — it’s about structuring your intent so the model gives you exactly what you need. Two frameworks that help with this are Prompt TAG and Prompt RISE. Let’s break them down, understand when to use each, and look at real examples. TAG stands for: T = Task: What you want the model to do. A = Audience: Who the response is for. G = Goal: What outcome you expect. This framework is great for quick, focused prompts — especially when you want the model to adapt its tone or depth based on the audience. Prompt: “Explain the concept of closures in JavaScript to a junior developer using analogies and simple code.” Ta…  ( 8 min )

By Iyanuoluwa Faleye Design patterns are a collection of standard solutions to solve software development design problems. Software engineers need to know how to use design patterns as essential tools. They can utilize design patterns to discover elegant solutions for commonly occurring challenges in software design, just as architects in building architecture learn to address design difficulties using established patterns. The efficiency, scalability, and readability of code are all improved by comprehending and utilizing these patterns. The three categories that these patterns fall into are creational, behavioural, and structural. To keep things brief, we’ll define these categories and explore examples that fall into these categories over a series. Creational Pattern: These patterns addr…  ( 8 min )

Ruby, the Python we deserved My first "real" programming language, if we don't count Matlab and Mathematica (today, Wolfram language) I used in school while majoring chemistry, was Ruby, which is why I guess have I a soft spot for it even today. I'm also well aware there is no real contest any more between Ruby and Python, the latter having taken over the programming world by storm, while the former is diminishing by the day, sadly. Yet I still think Ruby is the better dynamic, "scripting", programming language. The Python we deserved, but not going to get. Yes, Dude, it is. Not too surprising as this is my blog. 🤪 Of course every opinion here is mine, and only mine. You can agree, or disagree, it's your right. I just hope whether you're a Pythonista, a Rubyist, or a Gopher (FSM have …  ( 14 min )

I created a npm package for in-memory cache. Kind of node-cache alternative. I added : General cache LRU cache Tag cache You can keep backup of the cache in disk (encrypted or non encrypted). https://www.npmjs.com/package/flexi-cache-node I want your suggestions on the package. What other functionalities you want to add or any other improvements. Thanks.  ( 5 min )

Written by Chandre Van Der Westhuizen, Community & Marketing Co-ordinator at MindsDB Enterprise software vendors operate in a demanding environment: customers expect personalized, data-driven experiences, while regulators and enterprise buyers require rigorous compliance, auditability, and security. Meanwhile, compliance teams sift through policies, contracts, and audits as product and customer success teams seek insights from records and feedback—yet these sources often sit in silos, making a single, trustworthy view hard to achieve. MindsDB Knowledge Bases with Hybrid Search resolve this tension by unifying unstructured compliance documents with structured customer data, enabling secure, intelligent, and transparent AI features directly inside your platform. The result is a trusted, real…  ( 15 min )

Sonic Racing: Crossworlds delivers a slick, fast-paced arcade racing experience packed with deep customization options that’ll keep you tweaking builds for hours. The game’s standout feature is its portal-hopping mechanic, which adds a thrilling twist to each race and keeps every lap feeling fresh and unpredictable. Watch on YouTube  ( 5 min )

Sonic Racing: CrossWorlds Market Street Madness We tear through Market Street in Super Sonic Speed Time Trial mode, crush our personal best, and snag that sweet S Rank! With Sonic Racing: CrossWorlds dropping on September 25, you can rev up early—pre-order the digital Deluxe Edition for three days of early access (Nintendo Switch excluded). Don’t miss the high-speed action! Watch on YouTube  ( 6 min )

Baby Steps: The First 15 Minutes of Gameplay Get ready to snort-laugh your way through Baby Steps, a physics-driven walking simulator/comedy where you play Nate, an unemployed nobody who wakes up in a strange new world and has to figure out how not to face-plant at every turn. The first 15 minutes are packed with slapstick obstacles and endless “oops, did I really just do that?” moments. Mark your calendars for September 23—Baby Steps waddles onto PC and PS5 that day. If you can’t wait to stumble through its absurd challenges, go ahead and wishlist it on Steam now. Watch on YouTube  ( 6 min )

GTA 6 is shaping up to be more than just a game—it’s poised to become a cultural phenomenon. With Rockstar’s signature attention to detail, massive open world and killer soundtrack, it’s primed to grab headlines and social feeds from day one. Expect a tidal wave of memes, celebrity cameos and brand partnerships that spill into music, fashion and even IRL events. From jaw-dropping trailers to community-driven content, GTA 6 could leave a lasting mark on pop culture for years to come. Watch on YouTube  ( 6 min )

Nintendo Switch Online + Expansion Pack GBA Update Get ready to dive back into the Game Boy Advance era on September 25, 2025, as Nintendo Switch Online + Expansion Pack adds Klonoa: Empire of Dreams and Mr. Driller 2 to its retro lineup. Klonoa serves up 40 stages of 2D platforming fun packed with puzzles, while Mr. Driller 2 challenges you to burrow downward in modes like Endless Driller and Time Attack Driller. Whether you’re on a Nintendo Switch or the new Switch 2, these quirky classics are primed to scratch that old-school gaming itch (and maybe spark a friendly drilling rivalry). Watch on YouTube  ( 6 min )

TL;DR CinemaSins just dropped “Everything Wrong With Austin Powers: The Spy Who Shagged Me In 18 Minutes Or Less,” a rapid-fire, joke-filled roast of the sequel that calls out all its funniest flubs and quirks. They’re also asking fans to fill out a quick poll, consider joining their Patreon, and follow along on YouTube, Twitter, Instagram, TikTok, Discord and Reddit for more cinephile sins—shout-outs to their team of writers included! Watch on YouTube  ( 6 min )

The field of prompt optimization has witnessed a breakthrough with GEPA (Genetic Pareto), a novel approach that uses natural language reflection to optimize prompts for large language models. Based on the research published in "GEPA: Genetic Pareto Prompt Optimization for Large Language Models". GEPA is an amazing tool for prompt optimization and the new GEPA RAG Adapter contributed by us with the RAG GUIDE extends the proven genetic pareto optimization methodology to one of the most important applications of LLMs: Retrieval Augmented Generation (RAG). The recently merged GEPA RAG Adapter brings this powerful optimization methodology to RAG systems, enabling automatic optimization of the entire RAG pipeline across multiple vector databases. Retrieval Augmented Generation (RAG) systems …  ( 10 min )

Generative AI is tremendously changing the way we create and handle information every day. It’s helping people in creative jobs and business roles come up with ideas faster and make smarter choices. More than being a future possibility, it’s an existing reality. Here’s a simple look at what’s going on and why it matters to all of us. More creators including Artists, writers, designers, and musicians are turning to AI tools these days where they use generative AI to help with their work. These tools suggests ideas, create rough drafts, or even produce images, music, and videos based on simple instructions. It is bringing a fast wave of transformation in this era. For example, a graphic designer might use AI to generate many logo options quickly. A writer might get a first draft or new angle…  ( 9 min )

When a database is small, everything looks simple. At first, a database looks simple. This is where DbSchema makes the work easier. DbSchema lets you split a big schema into smaller diagrams. one diagram for Orders & Transactions, another for Customers & Billing, one more for HR. The database is the same, but you look only at the part you need. Most projects don’t have only one database. In DbSchema, you can save all connections in the same project and switch between them easily. Example: company_dev company_stage company_prod One click, and you are connected to the right place. Changing a big schema is stressful. ALTER TABLE directly in production, do it step by step: Change the table visually in the diagram. Use Schema Compare to see what changed between the model and the database. Le…  ( 7 min )

Deploying a CNN-BiLSTM Model on AWS Lambda Deploying my deep learning model to production sounded straightforward at first. I had a Convolutional Neural Network + Bidirectional LSTM (CNN-BiLSTM) model for EEG-based Alzheimer’s detection, and I wanted to expose it via a serverless API on AWS. Before going into the mistakes, let’s briefly discuss the deep learning model. It combines CNN and BiLSTM for Alzheimers’ detection based on EEG data. Now this app lets users upload EEG .set files and get an Alzheimers’, Frontotemporal dementia, and Healthy prediction with a confidence score. Uploaded files go directly to S3, and then a serverless Lambda (containerized with TensorFlow + MNE) pulls that file, preprocesses it, runs inference, and returns JSON to the browser. The user uploads the EEG f…  ( 10 min )

When I first started learning React, I used Create React App (CRA) — because that’s what everyone recommended. But after trying Vite, I knew there was no going back. Here’s why I made the switch. CRA: Takes ~20–30 seconds to start. Vite: Starts in less than 1 second. That difference is massive. When you restart your server multiple times a day, those seconds add up and slow you down. Vite feels instant — you save time and stay in the flow. With CRA, I’ve experienced times where hot reload just… stops working, and I had to refresh manually. Vite’s hot module replacement (HMR) is consistently fast and reliable — every save gives instant feedback. It sounds small, but it completely changes how fast you can iterate. CRA hides a lot of config behind react-scripts. If you want to tweak Webpack, you have to eject, which makes things messy and hard to maintain. Vite uses Rollup under the hood and has a clean, minimal config that’s easy to extend. Vite uses native ES modules for development and supports the latest JS features out of the box. No heavy build step during dev — just fast, modern tooling. Feature CRA Vite Dev Server Start ~20–30s (Webpack) < 1s (esbuild) Hot Reload Sometimes Lags Instant & Smooth Config Eject Required Minimal Setup Developer Experience Slower Workflow Fast & Enjoyable npm create vite@latest my-app cd my-app npm install npm run dev Boom — you’re up and running in seconds. If you’re still using CRA for new projects, I’d highly recommend trying Vite. The difference in speed and developer experience is hard to ignore. What about you — have you switched yet? Drop your thoughts below, I’d love to hear how your experience compares.  ( 6 min )

When I first tried AI coding, I was bored out of my mind. I’d type in a prompt… and think ‘guess I’ll wait?’ A minute later, some half-baked code would appear. I’d ask for a refactor. More waiting. Another tweak. More waiting. Eventually I’d close the tab and move on. The hype told us AI would be like waving a wand: type a prompt, get production-ready code. So when the output is clumsy, we don’t ask ‘What did I miss?’—we jump straight to ‘This thing is dumb.’ You’re not alone if you’ve felt that way—nearly half of developers don’t trust AI’s accuracy according to the 2025 Stack Overflow Survey. Here’s the shift: AI isn’t magic. It’s a tool. And tools only become powerful once you learn how to use them. These days, I’ll hash out a technical plan chatting with AI—what the interfaces look …  ( 8 min )

Q: Recreate JSON.stringify() — convert JS values to JSON strings. What to cover: Primitives: null, boolean, number, string. Objects & arrays (recursive traversal). Skip functions & undefined where appropriate. Circular references → throw TypeError. 💻 Try it + solutions: 🔗 https://replit.com/@318097/Ring-Central-R2-Implement-JSONstringify#index.js  ( 6 min )

Long meetings aren’t just annoying-they’re expensive. A few subtle mechanics can turn drift into decisions and make on-time finishes the default. Unbounded discussion crowds out priority work. Decisions happen late, or not at all-so work starts late. People leave unclear, so follow-ups multiply. Small overtime nudges are enough to prevent runaway calls. With Minute Minder in Google Meet, the timer shifts color for “5 minutes left” and Overtime. You can add a soft chime if your team likes audio cues. This is a polite heads-up: the room sees it, feels it, and moves. Try this: Make a team norm: overtime cues = decide or park. At “5 left,” choose: decide → assign → or park. If still talking at Overtime, stop new topics. Switch to Wrap in 2 (owner + date). At T-2, speak your summary first: Decision(s): What did we choose? Owners & dates: Who does what by when? Parking lot: What got moved and who owns it? Paste the bullets into chat (or your notes) before closing the tab. Minute Minder’s wrap-up prompt makes this automatic. Before: 55 minutes, spill-over discussions, unclear owners. After: Timer visible; “5 left” triggers decisions; overtime color shows → two items parked; T-2 wrap assigns owners. Result: Shorter call, clearer ownership, fewer follow-ups. Try Minute Minder on your next two sprints. The visible timer and overtime cues will help you land the plane on time-and turn meetings into decisions, not drift. Get Free Chrome Extension: https://minuteminder.io/ Related reading Finish Google Meet Calls On Time: A Time-Boxing Playbook Async First, Calls Second: A Simple Discipline for Remote Teams  ( 6 min )

The concept of work-life balance has become increasingly important yet paradoxically elusive. As a developer who runs a bespoke web development agency, I understand the challenges that come with the territory - tight deadlines, demanding clients, and the ever-present temptation to check your email just one more time before bed. However, I also recognize the critical importance of maintaining equilibrium between professional commitments and personal well-being. Here's a pragmatic guide on how both individuals and organizations can foster a healthier work-life balance. First and foremost, setting boundaries is essential. In our line of work, it's easy to let projects creep into personal time, but disciplined prioritization is key. Begin by delineating work hours and sticking to them. Define …  ( 7 min )

What is Change Data Capture? According to Confluent, Change Data Capture is a process of tracking all changes occurring in data sources (such as databases, data warehouses, etc.), and capturing them in destination systems. Why CDC Matters in Data Engineering? CDC eliminates Bulk Load Updates by enabling incremental loading/real-time streaming of data changes to target destinations. It enables Log-based Efficiency by capturing changes directly from transaction logs, thus reducing system resource usage and ensures performance efficiency. Facilitates real-time data movement, ensuring zero-downtime database migrations. This ensures that up-to-date data is available for real-time analytics and reporting. CDC enables seamless synchronization of data across systems, which is crucial for t…  ( 10 min )

What Is the AIM 100 Index? The AIM 100 Index — officially known as the FTSE AIM UK 100 — is a stock market index that tracks the performance of the 100 largest companies (by market capitalisation) with a primary listing on the Alternative Investment Market (AIM), a sub-market of the London Stock Exchange. These companies can be UK-based or international, but they must meet certain standards for free float and liquidity. The index is maintained by FTSE Russell and is adjusted periodically to reflect changes in company sizes, listings, and delistings. It offers investors a way to gauge how well the mid- to large-sized AIM companies are performing, compared to the broader UK markets or smaller AIM-only cohorts. Key Features and Structure Quarterly Review: The index is reviewed four times a ye…  ( 8 min )

“Why do I have to update tens of thousands of rows every time, when all I want is to reorder tasks a little?” — Are you tired of this kind of database design? Many developers initially choose the simple method of assigning sequence numbers (1,2,3…) to each item. However, as the system grows, this approach runs into serious problems. In this article, we’ll look at those limitations and introduce LexoRank, the solution used in Atlassian’s Jira. Developers managing ordering in a database People building their own task management or backlog systems Anyone who has suffered through the “renumbering hell” of order management Every time you insert a new element in the middle of the list, you have to update all subsequent elements. Example: [1: Requirements] [2: Design] [3: Implementation] [4: Test…  ( 7 min )

Want to build real-time apps without managing servers? 🚀 Start with Azure SignalR Service — it makes real-time communication super simple! Go to Azure Portal → click Create Resource (+) Search SignalR Service → select it → click Create Fill details: Resource Group → create new with a unique name Resource Name → enter unique name Region → select nearest region Tariff → choose Free Service Mode → select Serverless Click Review + Create Finally, click Create What kind of real-time app would you build first with Azure SignalR?  ( 6 min )

The FTS100, also known as FTSE 100, is the benchmark index for the 100 largest companies listed on the London Stock Exchange by market capitalisation. It serves as a primary gauge of the UK equity market and broadly reflects how British business is performing — from energy and finance to consumer goods and technology. Many traders, investors and economists monitor it to get a snapshot of economic health, market sentiment, and risk appetite in the UK. When you check FTS100 Today Key Drivers Shaping Today’s Performance Several factors influence the FTS100’s movements on any given day: Economic data releases: Inflation, unemployment, GDP growth, retail sales, and producer prices all feed into investor expectations. If data surprises to the upside or downside, markets can quickly adjust — boos…  ( 8 min )

The Transparency Paradox: I Open-Sourced My Web3 Game's Contracts, But Kept The Backend Secret. Here's Why. crow ・ Sep 17 #web3 #solidity #buildinpublic #gamedev  ( 5 min )

How Scammers are Using Pig Butchering to wreck single aged ladies with the promise of love Sarah, a 65-year-old marketing executive from Denver, thought she had finally found the love of her life. The charming businessman she met on a dating app seemed too good to be true: successful, attentive, and genuinely interested in her life. Over the course of several months, through daily conversations, he gradually introduced her to cryptocurrency trading, sharing screenshots of his impressive profits. By the time Sarah realized the devastating truth, she had lost her entire life savings of $340,000. Sarah's story isn't unique. She fell victim to what cybersecurity experts call "pig butchering," a cruel but apt metaphor for a scam that slowly fattens victims with false promises before leading …  ( 13 min )

Next.js gives us the flexibility to decide how each page should be rendered. In this post, let’s break down the 4 main rendering strategies in Next.js with examples and use cases. How it works: Page loads with minimal HTML. Data is fetched in the browser using useEffect or similar hooks. import { useEffect, useState } from "react"; export default function Profile() { const [user, setUser] = useState(null); useEffect(() => { fetch("/api/user") .then(res => res.json()) .then(setUser); }, []); if (!user) return Loading... ; return Hello {user.name} ; } ✅ Good for: dashboards, private user pages. How it works: Page HTML is generated on each request. Always up-to-date but increases server load. export async function getServerSideProps() { co…  ( 7 min )

The system crashed. The bug was traced back to a pull request with three approving "LGTM" comments. The dashboard said "reviewed", the managers clapped, the code shipped. The review theater had its finale - curtain call. 🎭 Code reviews were supposed to be our quality gate. Too often, they've turned into ritual theater. A process designed to protect us quietly morphed into a performance optimized for speed ⚡, appearances 👀, and checkmarks ✔️. So let's ask the uncomfortable question: are your code reviews a quality gate, or just compliance cosplay? The "LGTM" Rubber Stamp (Gemini generated image) Most reviews don't review anything. They perform compliance. A pull request appears. Someone glances at the diff, squints 👀, and types "LGTM". The counter increments 🔢. Management sees progress …  ( 8 min )

Explica este código TypeScript Dificultad: Avanzado type Animal = "perro" | "gato" | "conejo"; type ConteoAnimal = { [U in Animal]: number; } const miAnimal:ConteoAnimal = { perro:20, gato:30, } A. TypeError B. Property 'conejo' is missing in type '{ perro: number; gato: number; }' but required in type 'ConteoAnimal' C. Todo funciona bien D. Ninguna de las anteriores Respuesta ✅ B. Property 'conejo' is missing in type '{ perro: number; gato: number; }' but required in type 'ConteoAnimal' En TypeScript tenemos los Mapped Types. Sirven para relacionar dos types entre si para un fin en común. Animal con ConteoAnimal. El generico U de [U in Animal] establece que el tipo ConteoAnimal debe tener como llaves todos los literales de Animal, por ello al crear el objeto miAnimal y no tener la llave conejo falla.  ( 6 min )

From Chaos to Clarity: Lessons learnt on the Importance of Documentation pratikshya behera ・ Sep 18 #webdev #programming #softwaredevelopment #documentation  ( 6 min )

Most calls run long for two simple reasons: time is invisible and transitions are vague. This playbook makes time visible, keeps momentum, and lands the plane without anyone feeling policed. No shared sense of pace → topics sprawl. Decisions come late → the ending creeps past the calendar. “One more thing” appears when nobody can see the clock. Time-boxing replaces guesswork with gentle, visible boundaries. When everyone can see the minutes, scope naturally shrinks to fit. Try this: For any meeting >15 minutes, draft the agenda as segments with buffers before you add invitees. Suggested flow 00:00-03:00: Goal & success criteria 03:00-20:00: Topics (2-3 segments) 20:00-28:00: Decisions & owners 28:00-30:00: Wrap + follow-ups Keep a visible timer on-screen in Google Meet. With Minute Minder (a lightweight, privacy-respecting Chrome extension), you can show a countdown or elapsed timer as a small overlay so everyone senses the pace without breaking flow. Add soft cues at halftime and “5 minutes left” to keep transitions smooth. (There are overtime alerts and an end-of-call wrap-up prompt too.) Try this: Add a 2-3 minute buffer to the last topic. If unused, you’ll finish early (high-trust win). Split big topics into 7-12 minute chunks. Name the desired outcome for each segment (approve, decide, delegate). Buffer every second segment by 1-2 minutes. Minute Minder lets you seed checkpoints like “Halftime,” “Decision time,” and “Wrap in 2”. These appear as polite on-screen nudges (with optional gentle chimes) rather than interruptions. Halftime: summarize and move if needed. Decision time: push outcome language (“Approve A, ship B by Tues”). Wrap in 2: switch the room to action owners and dates. Get Free Chrome Extension: https://minuteminder.io/  ( 6 min )

This is my blog post content. Subheading in HTML This is a paragraph with inline HTML styling. Bullet 1 Bullet 2 Blockquote example.  ( 5 min )

Recently, I was writing a module with multiple APIs for a new project. I started with the fundamental API. The team had multiple rounds of discussions. I put in hours writing code, testing, and debugging. When I raised the PR, it went through rigorous reviews (as it happens with any new functionality module), until finally the changes were merged and deployed. But in the next meeting with the Business team, we realized that we missed a major point in the earlier discussions. And one missed point translated into reworking the whole API from scratch. It became clear that without a structured approach, we risked falling into the same cycle of rework again. The solution that saved us was documentation. The functionality was complex and difficult to grasp at once, and therefore, there's a hig…  ( 7 min )

🚀 PHP Multiple Versions (7.4 → 8.4) with Apache on Ubuntu 1️⃣ Add PHP PPA sudo apt update sudo apt install -y software-properties-common ca-certificates lsb-release apt-transport-https sudo add-apt-repository -y ppa:ondrej/php sudo apt update # PHP 7.4 sudo apt install -y php7.4 php7.4-cli php7.4-fpm # PHP 8.0 sudo apt install -y php8.0 php8.0-cli php8.0-fpm # PHP 8.1 sudo apt install -y php8.1 php8.1-cli php8.1-fpm # PHP 8.2 sudo apt install -y php8.2 php8.2-cli php8.2-fpm # PHP 8.3 sudo apt install -y php8.3 php8.3-cli php8.3-fpm # PHP 8.4 sudo apt install -y php8.4 php8.4-cli php8.4-fpm # Replace X.X with version (7.4, 8.0, 8.1, 8.2, 8.3, 8.4) sudo apt install -y phpX.X-cli phpX.X-fpm phpX.X-mysql phpX.X-xml phpX.X-curl phpX.X-mbstring phpX.X-zip phpX.X-bcmath ph…  ( 7 min )

Aaaand she's here! Last time, we created the rules/grammar basis which the parser converts tokens into syntax-tree. Now, we create association rules, i.e. we define the order in which expressions must be parsed to generate the tree. Recursive descent parsing is used here, wherein the parser starts from the outermost/top-level rule with lowest precedence and traverses through subexpressions to make it to the tree's bottom, where it finds literals (which happen to have the highest precedence). What I built: Commit 5750470 What I understood: Association Rules The rules we create must be defined as functions which call other functions of higher precedence, until we reach literals. We create a Parser class with a list of tokens and a current pointer for noting the position. We also use a …  ( 9 min )

The relentless demand for bandwidth continues to push the boundaries of data center infrastructure. As enterprises embrace AI, machine learning, and cloud-native applications, the need for faster, more efficient optical interconnects becomes paramount. Enter the Cisco QDD-400G-LR8-S, a powerhouse QSFP-DD transceiver module that's rapidly becoming a cornerstone for next-generation 400 Gigabit Ethernet deployments. The Need for Speed: Why 400G is Now Essential The progression from 100G to 400G isn't merely an incremental upgrade; it's a foundational shift. Traditional data center architectures, often built around 100G links, are struggling to keep pace with the explosion of east-west traffic and the increasing density of virtualized workloads. 400G Ethernet provides: Massive Bandwidth Aggreg…  ( 12 min )

Motivation n8n is a great entry point for workflow automation: open-source, community-backed, with no-code support to stitch tools together. But if you’re a developer scaling products and living in code, the issues start to show. Yes, n8n has a code node, but it’s limited and introduces overhead (personal pain speaking). Once you hit production, a few things get painful fast: Managing auth across dozens of APIs Debugging long workflows with basic logging and weak tracing Limited SDKs and APIs when embedding integrations into products That’s when you start looking for better, developer-first options. After testing a bunch, here are my top picks. Rube (by Composio): Agent-first, MCP-native automation with 500+ tools ready out-of-the-box. Merge: Unified APIs across categories like HR/CRM/…  ( 8 min )

If you've ever added a margin to an element in CSS and watched it mysteriously disappear, you're not alone. Margin collapse is one of the most confusing — and misunderstood — features of CSS layout behavior. Whether you're a beginner struggling to space your elements, an intermediate developer facing weird layout bugs, or even an experienced designer wondering why your spacing suddenly breaks — margin collapse can be the invisible culprit. It affects everything from basic stacking to more advanced responsive designs. Despite how critical it is to building predictable layouts — especially in mobile-first and responsive designs — margin collapse remains a source of frustration across all levels of frontend experience. But not after this article. By the time you finish reading, you’ll underst…  ( 10 min )

DIAMANTS is an open-source platform for the simulation and execution of distributed intelligence. Our philosophy: code once, and deploy everywhere—in simulation and in the real world. This project is a 'playground' for developers, creating a robust bridge between high-level intent (the swarm's strategy) and low-level execution (each drone's physical commands). It's a space to code distributed intelligence, test it in a credible simulation, and push it directly to real-world swarms. 🎯 Vision 🚨 URGENT: Community Help Needed 🔥 CRITICAL MISSION: Wildfire Fighting in VAR Region, France 🔥 🆘 We NEED YOU! ==> GITHUB Link 🌲 Every contribution can help preserve our forests and save lives.  ( 6 min )

In the bustling districts of Shenzhen, something remarkable is happening. Autonomous drones navigate between buildings, carrying packages to urban destinations. Robotic units patrol public spaces, their sensors monitoring the environment around them. This isn't science fiction—it's the emerging reality of embodied artificial intelligence in China, where physical robots and autonomous systems are beginning to integrate into daily urban life. What makes this transformation significant isn't just the technology itself, but how it reflects China's strategic approach to automation, addressing everything from logistics challenges to demographic pressures whilst advancing national technological capabilities. The term “embodied AI” describes artificial intelligence systems that inhabit physical fo…  ( 14 min )

Start from a real issue, then shape the baseline. In one T2C migration, missing NAT Gateways in a multi AZ VPC forced traffic across zones and raised transfer costs about 20 percent. Two lines of Terraform fixed it. A stronger baseline would have prevented it. Groundwork before the first VPC Lay out accounts, space, and automation so later growth is straightforward. 1) Accounts and guardrails Make isolation and ownership explicit. Use AWS Organizations for shared networking, platform, and app accounts Keep separate log archive and security accounts Tag owner, environment, and service everywhere 2) Space and mapping Decide CIDRs and record AZ mappings early. Non overlapping CIDRs with summarization room AZ name to ID mappings per account saved in code Plan for IPv6 rather than re…  ( 9 min )

TL;DR: For solopreneurs weighing KOLs vs. KOCs: KOLs = broad reach & prestige (good for awareness). KOCs = authentic trust & conversions (budget-friendly). Here’s a DEV.to-style article aimed at solopreneurs and anyone with social media marketing (SMM) needs, about whether you should work with KOLs or KOCs (or both), how to tell if you need a campaign, where to find collaborators, how to reach out, how to negotiate, etc. As a solopreneur or someone needing social media marketing, you may be wondering whether working with a KOL (Key Opinion Leader) or a KOC (Key Opinion Consumer) is worth it, and how to do it well. There’s no one-size-fits-all answer, but if you go through certain steps and think carefully, you can make a decision that fits your goals and budget. First, definitions and trad…  ( 10 min )

Your MVP is one user action that works end-to-end. Today, do the Build step only: Define a tiny data model (fields you actually use). One POST/GET route. Return clean JSON with types. Write 1 happy-path test and 2 failures (400/422). Drop me your “Build” in one sentence and I’ll sanity-check it. Full issue + prompt: https://shipwithai.substack.com/p/hold-my-beer-4-steps-to-make-any?utm_source=devto&utm_medium=social&utm_campaign=issue_beer_framework  ( 6 min )

What if you could learn new programming skills faster, build projects with ease, and ace job interviews—all with a smart assistant by your side 24/7. This is not science fiction; it’s the reality unfolding in today’s tech world. In fact, 84% of developers are now using or planning to use AI tools in their development process. Why such a surge? Because those who embrace AI are reaping big rewards. A recent study by Microsoft found that AI helps developers complete tasks about 55% faster on average. That means what used to take a week of coding might now take just a few days. If you’re a beginner software developer, leveraging AI isn’t just a cool trick—it can be a game-changer for your learning and career growth. However, simply having an AI tool doesn’t automatically make you a better deve…  ( 15 min )

Introduction Traditional local robotics simulation (e.g. running Gazebo on a laptop or on-prem server) can be limited by hardware resources and parallelism. AWS RoboMaker was launched to simplify cloud-based robotics development: it provided a fully managed service for ROS/Gazebo simulations, with built-in container images, random world generation (WorldForge), and integration with cloud services (e.g. Kinesis, CloudWatch) via ROS packages[1]. RoboMaker enabled automated scaling of compute for simulation workloads (“fully managed…scales underlying infrastructure”[2]) and offered both headless and GUI (NICE DCV) simulation modes. However, AWS has announced that RoboMaker will be discontinued on September 10, 2025[3]. After that date, the RoboMaker console and APIs will no longer be availa…  ( 16 min )

In today’s digital world, data is everywhere. Whether it’s social media feeds, e-commerce transactions, or weather updates, most applications communicate by exchanging structured data. One of the most popular formats for data exchange is JSON (JavaScript Object Notation). It is lightweight, human-readable, and widely supported across programming languages. For Python developers, mastering Python JSON is essential because it helps in reading, writing, and parsing structured data efficiently. In this blog by Tpoint Tech, we’ll explore how Python makes working with JSON simple and effective. JSON is a text-based format used for representing structured data. It uses key-value pairs similar to Python dictionaries. For example: { "name": "Rahul", "age": 25, "city": "Delhi" } This format i…  ( 8 min )

Is Your Next Outfit About To Be Designed by… AI?! Demystifying Generative AI Ever stare blankly into your closet, feeling like you have absolutely nothing to wear, even though it's overflowing? We've all been there. But what if the solution wasn't another shopping spree, but a clever piece of software that could design the perfect outfit for you, tailored to your taste and the weather outside? That's the potential of Generative AI, and it's closer than you think. Generative AI is buzzing right now, but what exactly is it? Let's break it down. What is Generative AI? In simple terms, Generative AI is a type of artificial intelligence that can create new content. Think of it like a super-powered artist that can generate images, text, audio, or even code based on what it's learned from exist…  ( 8 min )

Learn how to build a modern REST API with Symfony 7 – from data validation with DTOs, to clean controllers, and best practices for maintainability. In this example, we create a cocktails API 🍸 You’ll see how to: ✅ Use DTOs to validate incoming requests When building modern APIs, using DTOs (Data Transfer Objects) and validation keeps your code clean, secure, and maintainable. This DTO ensures that any request sent to your API follows the right rules (e.g. name length, valid URL, at least one ingredient). <?php namespace App\Dto; use App\Entity\Cocktail; use Symfony\Component\ObjectMapper\Attribute\Map; use Symfony\Component\Validator\Constraints as Assert; #[Map(target: Cocktail::class)] final readonly class CreateCocktailRequest { public function __construct( #[Assert\NotB…  ( 10 min )

🐦 Build Flappy Bird with TCJSgame v3 — Step-by-Step Tutorial This tutorial shows how to create a simple Flappy Bird clone using TCJSgame v3. The game uses a rectangle “bird”, procedurally generated pipes, collision detection with crashWith(), simple gravity & flap mechanics, scoring, and restart logic. Assumes tcjsgame-v3.js is loaded locally or from your site (and optionally the tcjsgame-perf.js extension if you want requestAnimationFrame + delta-time behavior). Set up a TCJSgame display and components Implement gravity and flap controls Spawn moving pipes with a randomized gap Detect collisions and restart the game Track and display score All code shown below is contained in one HTML file for easy testing. Save as flappy.html and open in a browser. The Bird is a Component with physics…  ( 11 min )

Create fully fillable PDF forms in .NET with the List & Label software component — fast, simple, and without extra tools. Edit existing PDF files or forms and add form elements. Or build a form from scratch. Design forms visually in the report designer Use form elements (text boxes, checkboxes etc.) in the form Export directly to interactive PDF with just a few lines of C# code No Acrobat Pro, no external PDF SDKs, List & Label uses its onw export engine Supports compliance standards like PDF/A and ZUGFeRD e-invoices out of the box 👉 See how it works. 🤦‍♂️Problem That’s frustrating for you and for your users. 😊Solution List & Label fixes that. It lets you design your form visually with real, editable form elements and export it to PDF with just a few lines of code. If you're new to .NET…  ( 7 min )

AWS EKS Terraform module version v21.0.0 added support for the AWS Provider Version 6. Documentation — here>>>. The main changes in the AWS EKS module are the replacement of IRSA with EKS Pod Identity for the Karpenter sub-module: Native support for IAM roles for service accounts (IRSA) has been removed; EKS Pod Identity is now enabled by default Also, “The aws-auth sub-module has been removed”, but I personally removed it a long time ago. Some variables have also been renamed. I wrote about upgrading from version 19 to 20 in Terraform: EKS and Karpenter — upgrade module version from 19.21 to 20.0, and this time we will follow the same path — change the module versions and see what breaks. I have a separate “Testing” environment for this, which I first roll out with the current versions of…  ( 14 min )

The ultimate, step-by-step playbook to land interviews and offers. You don’t get hired for your LinkedIn; you get hired through it. For backend developers, LinkedIn is both an SEO surface and a trust ledger: recruiters search it like a database, and hiring managers scan it like a portfolio. This guide gives you an end-to-end system to turn your profile, activity, and outreach into a predictable interview engine. Before diving into optimizations, let’s contextualize why LinkedIn matters. In 2025, the backend development landscape is evolving rapidly with trends like serverless architectures, microservices, AI integration, and edge computing. Recruiters aren’t just looking for coders; they want problem-solvers who can optimize performance, ensure security, and scale applications for millions…  ( 14 min )

I started because I thought that actually building something alone is much faster! No need to convince anybody of ideas and I can just follow customer feedback. I built both the website and the app in React Native for iOS and Android. I already have users and paying users, which is amazing to me. It is still not easy to build for people without any knowledge of product and engineering. But things are moving fast. Based on your experience, what do you think about it?  ( 6 min )

ElevenLabs has transformed AI audio generation with their Eleven v3 model, supporting 70+ languages and delivering human-like speech with emotional depth. When integrating ElevenLabs into applications, proxy services offer critical advantages for security, performance and scalability. Why use proxies with ElevenLabs? Security protection Traffic management Performance optimization Monitoring & analytics Geographic flexibility Key proxy features for ElevenLabs When selecting a proxy for ElevenLabs integration, several quality standards are essential. These include whitelisted IPs, global coverage spanning over 100 countries, dynamic rotation for reliability and ISP diversity for optimal routing. The infrastructure capabilities of a suitable proxy should include session control, support for …  ( 8 min )

Artificial Intelligence tools like ChatGPT, Claude, and Gemini are transforming how we code, write, and solve problems. Yet many developers find themselves frustrated when the AI produces vague, irrelevant, or simply wrong answers. The problem isn’t always the AI — it’s often the prompt. Think of prompts as the “programming language” of large language models (LLMs). A vague prompt is like sloppy code; a clear prompt is like optimised, well-structured logic. In this blog, we’ll explore how to craft prompts that get you better, faster, and more reliable results. LLMs don’t “think” like humans. They generate responses based on probability and context. A well-written prompt provides: Clarity – reduces ambiguity. Context – gives the AI background knowledge. Constraints – keeps answers focused. …  ( 7 min )

Seriously, can you even imagine life without your phone these days? Apps run everything — from your bank account to your pizza order to that weird step counter you swear by. Businesses? Oh, they’re even more hooked. But here’s the thing — while we’re all tapping away, hackers are out there plotting ways to mess things up. That’s where mobile app pen testing comes into play. And no, it’s not about poking your phone with a pen. Basically, pen testing (yeah, short for penetration testing, but who actually says the whole thing?) is like hiring someone to break into your app just to see how easy it is. The idea? Find those weak spots before the real bad guys do. When it comes to mobile apps, this kind of testing is a lifesaver. It helps spot security screw-ups, keeps your data from leaking all …  ( 10 min )

🎮 Getting Started with TCJSgame v3 TCJSgame v3 is a lightweight JavaScript 2D game engine designed for simplicity and speed. components, sprites, tilemaps, sounds, and camera controls. Include the TCJSgame v3 script in your HTML file: My First TCJSgame v3 Project // we’ll add code here The Display class manages the canvas, input events, and rendering loop. const display = new Display(); display.start(800, 450); // width, height This creates a canvas of 800x450 pixels and starts the game loop. A Component is any object in your game: rectangles, images, or text. let player = new Component(50, 50, "blue", 100, 100, "rec…  ( 7 min )

For over a decade, Ngrok has been the standard choice for developers who need to expose a local service to the internet. Whether you’re testing webhooks, demoing an app for a client, or running a quick experiment, Ngrok provides a fast way to create secure tunnels. It comes with a powerful set of features—support for HTTP, TCP, and TLS tunnels, request inspection, and authentication methods like OAuth and JWT. But Ngrok isn’t always the perfect fit. Some developers find the setup too heavy for quick experiments, others run into bandwidth caps, and many simply want something more affordable. As a result, a number of alternatives have emerged, each with its own philosophy: some aim for simplicity, others for flexibility, and a few lean into open-source and self-hosted models. Here are five a…  ( 9 min )

The Internet of Things (IoT) has moved beyond being a futuristic idea—it is now part of our everyday lives. From smart homes and wearable devices to connected factories and smart cities, IoT is shaping the way businesses and people operate. However, as industries adopt IoT at different scales, one challenge keeps coming up: how to manage all kinds of devices on one unified platform. This is where the idea of a future-proof IoT platform comes in—one system that works for every device, across every industry. Why IoT Needs a Unified Platform Different industries rely on very different IoT devices: Healthcare uses wearables, remote patient monitors, and smart hospital equipment. Manufacturing depends on asset trackers, machine sensors, and predictive maintenance tools. Retail uses smart shelve…  ( 8 min )

Hello Everyone! 👋🏻 I’m Shreyash Srivastava, a 2nd year CSE student at DSCE and yes it's time for another blog. A lot of things happened in last few months, So before I begin I will just share this image here: I was awarded LiFT Scholarship from Linux foundation, was working on a project for our club (check it out!) also I recently got an internship at an early stage startup and got the opportunity to work with one of my seniors at Pointblank. In order to implement this feature what I thought of was to create a tokens collections(as we were using firebase) which will consists of userId, plan and the number of credits/tokens a user has. Now what I did was, wherever the call to our AI service was made I added a check to see the number of tokens the user has and deducted the credits afte…  ( 8 min )

Abstract The AWS Community Builders program has produced an enormous trove of insightful blog content over the years. These To tackle this challenge, I experimented with using Amazon ElastiCache for Redis as a vector store to power semantic This blog post outlines how I vectorized blog content, stored embeddings in Redis, and leveraged K-Nearest Neighbors ( Traditionally, Redis is used for caching and fast key-value operations. However, with the introduction of the Redis Benefits of Redis VSS: Speed: In-memory performance with extremely low latency. Simplicity: Store and retrieve vectors using Redis CLI or SDKs. Scalability: Redis clusters on ElastiCache scale with demand. Integration: Easy to integrate with Python NLP libraries and AWS services. An embedding is a numerical representatio…  ( 12 min )

Alexey Bashkirov, PhD, is a Doctor of Technical Sciences and Head of the Department of Designing and Manufacturing of Radio Equipment at Voronezh State Technical University (VSTU). With decades of research experience, his work focuses on the design, development, and optimization of modern radio engineering systems and electronic devices. Radio engineering remains one of the core fields in modern technology. From mobile communications to aerospace, reliable and efficient radio systems ensure the stability of digital infrastructure. Research in this area impacts: signal processing and transmission quality, energy efficiency of communication systems, miniaturization of electronic devices, reliability of complex radio equipment. Research Focus of Dr. Bashkirov Dr. Bashkirov has authored numerous scientific publications addressing: advanced methods of designing radio equipment, production technologies for electronic devices, improving fault tolerance and durability of hardware, innovative approaches to signal processing. His studies bridge theoretical foundations with practical solutions, making them relevant for both academic researchers and engineers working in applied electronics. At VSTU, Dr. Bashkirov leads the Department of Radio Equipment Design and Production, mentoring young scientists and supervising cutting-edge projects. His academic activity helps train the next generation of engineers while also contributing to the global body of knowledge in electronics and communication systems. The work of Dr. Alexey Bashkirov, PhD, highlights how fundamental research in radio engineering drives progress in communication, electronics, and applied technologies. His contributions stand as an example of how science directly supports technological innovation.  ( 6 min )

Data Integration Dilemma in the Multi-cloud Environment ● Failure to discover new files in a timely manner Cloud file system providers typically only provide Bucket traversal interfaces, but are unable to traverse newly added files in chronological order. Therefore, when the number of files in a single Bucket exceeds hundreds of millions, efficiently identifying new files without significantly prolonging the subsequent process becomes the primary challenge faced by developers engaged in multi-cloud file data integration. ● Need for elastic scaling The business volume of an enterprise often fluctuates periodically, and accordingly, the log volume changes. The log file size may vary significantly in the peak and off-peak hours. If the elastic scaling of resources fails, the following problem…  ( 15 min )

Installing Samba on a Raspberry Pi is a very common task to allow it to share files with Windows, macOS, and Linux computers on your local network. Here is a detailed, step-by-step guide. Prerequisites A Raspberry Pi (any model) running Raspberry Pi OS (formerly Raspbian) or another Debian-based OS. The Pi should be connected to your local network and have internet access. You should be comfortable using the command line. Step 1: Update Your System bash sudo apt update sudo apt upgrade -y Step 2: Install Samba bash sudo apt install samba samba-common-bin -y samba: The main Samba suite. samba-common-bin: Provides common Samba binaries and utilities, like the one we need to add users (smbpasswd). Step 3: Configure Samba (The Most Important Step) 1. Create a Backup: bash sudo cp /etc/sa…  ( 8 min )

You learn by comparing to what you already know. I was recently bitten by assuming Rust worked as Java regarding transitive dependency version resolution. In this post, I want to compare the two. Before diving into the specifics of each stack, let's describe the domain and the problems that come with it. When developing any project above Hello World level, chances are you'll face problems that others have faced before. If the problem is widespread, the probability is high that somebody was kind and civic-minded enough to have packaged the code that solves it, for others to re-use. Now you can use the package and focus on solving your core problem. It's how industry builds most projects today, even if it brings other problems: you sit on the shoulders of giants. Languages come with build to…  ( 10 min )